HELP PLEASE!!
On October 1, Gary’s bank balance was $130. During October, he made two
withdrawals and one deposit. At the end of the month, his bank balance was
$95. List two withdrawals and one deposit that would give this final balance.

Answers

Answer 1

Answer: $50 withdrawl $50 withdrawl and $65 deposite

Step-by-step : $50 withdrawl $50 withdrawl and $65 deposite


Related Questions

The center and a point on a circle are given. Find the circumference to the nearest tenth.

center:(−15, −21);
point on the circle: (0, −13)

The circumference is about ?

Answers

Answer:

Circumference ~ 106.8

Step-by-step explanation:

Use the distance formula to find the radius of the circle with the two coordinates given. The radius of this circle is 17. Plug 17 into the formula 2(pi)r to find the Circumference. The answer is 106.8 rounded to the nearest tenth.

IQ is normally distributed with a mean of 100 and a standard deviation of 15. When selecting samples of size n = 16, find the probability a randomly selected sample has a mean greater than 105. 0.0981 0.0936 O None of these 0.0973 0.0912

Answers

Given that IQ is normally distributed with a mean of 100 and a standard deviation of 15 and the sample size, n=16

We need to find the probability that a randomly selected sample has a mean greater than 105.

The z-score is given by;[tex]z = \frac{\bar{x}-\mu}{\frac{\sigma}{\sqrt{n}}}\[/tex]

The sample mean of size n=16 is [tex]\bar{x}=105[/tex], the population mean is [tex]\mu=100[/tex] and the standard deviation is [tex]\sigma=15[/tex]. Now we need to find the probability that the z-score is greater than z. Since the sample size is greater than 30, we can use the z-distribution to approximate the standard normal distribution. Since the sample size is n=16 which is less than 30, we cannot use the z-distribution to approximate the standard normal distribution. Instead, we use the t-distribution, which is a set of distributions that are similar to the standard normal distribution but are dependent on the sample size. The formula for the t-score is given by;

[tex]t=\frac{\bar{x}-\mu}{\frac{s}{\sqrt{n}}}\[/tex]Where [tex]s[/tex] is the sample standard deviation. Since the population standard deviation is unknown, we use the sample standard deviation instead.

The sample mean of size n=16 is [tex]\bar{x}=105[/tex],

the population mean is [tex]\mu=100[/tex],

the sample standard deviation is [tex]s=\frac{\sigma}{\sqrt{n}}=\frac{15}{\sqrt{16}}=3.75[/tex].

The t-score is given by[tex]t=\frac{105-100}{\frac{3.75}{\sqrt{16}}}=4.267\[/tex]

The degrees of freedom is given by n-1 = 16-1 = 15. Using the t-table with 15 degrees of freedom and a two-tailed test at the 0.05 level of significance, the critical value is 2.131. Since the t-score is greater than the critical value, we reject the null hypothesis and conclude that there is sufficient evidence to suggest that the sample mean is greater than the population mean. The p-value is the area under the curve to the right of the t-score. We find the p-value using the t-table. The p-value is 0.0002. Hence, the probability that a randomly selected sample has a mean greater than 105 is 0.0002 (or 0.02%). Therefore, the option with the correct answer is 0.0002.

To know more about standard deviation refer to:

https://brainly.com/question/475676

#SPJ11

What is the scale factor from the original triangle to its copy as a percent?

The picture is down below.

Answers

Answer:

scale factor = 20%

Step-by-step explanation:

A scale factor is a multiplier which can be used to determine the rate between two or more dimensions.

In the given figure, the sides of the original triangle is 5 times greater than that of the copy. Thus,

the scale factor = [tex]\frac{copy length}{original length}[/tex] x 100%

                          = [tex]\frac{1}{5}[/tex] x 100%

                          = 20%

The scale factor of the original triangle to its copy is 20%. This implies that the dimensions of the original triangle are multiplied by 20% to determine that of the corresponding copy triangle. Thus, we scale down the dimensions of the original triangle by 20%.

Let W be the set of all vectors of the form shown on the right, where a and b represent arbitrary real numbers. Find a set S of vectors that spans W, or give an example or an explanation showing why W is not a vector space.

Answers

To determine whether the set W is a vector space, we need to check if it satisfies the properties of a vector space. In this case, W represents the set of all vectors of the form:

W = {(a, b, -2a + 3b) | a, b ∈ ℝ}

To show that W is a vector space, we need to demonstrate that it is closed under vector addition and scalar multiplication, and that it contains the zero vector. Let's verify each of these properties.

Closure under vector addition:

Consider two arbitrary vectors in W, (a₁, b₁, -2a₁ + 3b₁) and (a₂, b₂, -2a₂ + 3b₂). Their sum is given by:

(a₁, b₁, -2a₁ + 3b₁) + (a₂, b₂, -2a₂ + 3b₂) = (a₁ + a₂, b₁ + b₂, -2(a₁ + a₂) + 3(b₁ + b₂))

We can rewrite the last expression as:

(a₁ + a₂, b₁ + b₂, -2a₁ - 2a₂ + 3b₁ + 3b₂) = (a₁ + a₂, b₁ + b₂, -2(a₁ + a₂) + 3(b₁ + b₂))

This shows that the sum of two arbitrary vectors in W is also in W. Therefore, W is closed under vector addition.

Closure under scalar multiplication:

Consider an arbitrary vector in W, (a, b, -2a + 3b), and a scalar c ∈ ℝ. The scalar multiple of this vector is given by:

c(a, b, -2a + 3b) = (ca, cb, c(-2a + 3b)) = (ca, cb, -2ca + 3cb)

This expression can be rewritten as:

(ca, cb, -2(ca) + 3(cb))

Thus, the scalar multiple of an arbitrary vector in W is also in W. Therefore, W is closed under scalar multiplication.

Contains the zero vector:

To check if W contains the zero vector, we need to find values of a and b that make the expression (-2a + 3b) equal to zero. If we set a = 0 and b = 0, then (-2a + 3b) = (-2(0) + 3(0)) = 0. Thus, the zero vector (0, 0, 0) is in W.

Since W satisfies all the properties of a vector space, we can conclude that W is indeed a vector space.

To find a set S that spans W, we can choose two arbitrary vectors that are linearly independent. One possible set is:

S = {(1, 0, -2), (0, 1, 3)}

These vectors can be expressed in the form of W:

(1, 0, -2) = (a, b, -2a + 3b) when a = 1 and b = 0

(0, 1, 3) = (a, b, -2a + 3b) when a = 0 and b = 1

Any vector in W can be represented as a linear combination of these two vectors, which demonstrates that S spans W.

To learn more about vector space visit:

brainly.com/question/32236186

#SPJ11

Jamie bought 4 pounds of sugar for $2.56. What is the cost of sugar per pound?
a.$10.24
b.$1.56
c.$0.64
d.$6.04

Answers

The cost of sugar per pound can be found by dividing the total cost of sugar by the number of pounds purchased. In this case, the correct option is C).

To calculate the cost of sugar per pound, we divide the total cost by the number of pounds purchased. In this case, Jamie bought 4 pounds of sugar for $2.56. Therefore, the cost per pound is given by:

Cost per pound = Total cost / Number of pounds

Cost per pound = $2.56 / 4 pounds

Simplifying this calculation, we find:

Cost per pound = $0.64

Hence, the cost of sugar per pound is $0.64, which corresponds to option c. $0.64 in the given choices. This means that Jamie paid $0.64 for each pound of sugar purchased.

Learn more about Simplifying here:

https://brainly.com/question/17579585

#SPJ11

Picking a purple marble from a jar with 3 green and 3 purple marbles. What is the probability of picking a purple marble?

Answers

Answer:

1/2

Step-by-step explanation:

The total number of marbles in the jar is equal to 6

Since we have 3 purple marbles and 3 green marbles,

The probability of picking a purple marble =

Number of purple marbles in the jar / total number of marbles

= 3/6

= 1/2

From this calculation the probability of picking a purple marble is 1/2 or 0.5

I need help what is 5/3+(-7/6)​

Answers

Answer:

your answer is 1/2 hope this helped have a good day :3

Step-by-step explanation:

Answer:

1/2 or 0.5

Step-by-step explanation:

5/3 + (- 7/6)​ = 5/3 - 7/6

what is the first 5 cubic numbers​

Answers

Answer:

1,8,27,64,125

Step-by-step explanation:

1, 6 8 27 64 125 is the answer

Solve the system by finding the reduced row-echelon form of the augmented matrix. 11 401 + 12 - 1423 321 +222 - 1323 = 12 reduced row-echelon form: (63 E] How many solutions are there to this system? A. None OB. Exactly 1 OC. Exactly 2 D. Exactly 3 OE. Infinitely many OF. None of the above If there is one solution, give its coordinates in the answer spaces below. If there are infinitely many solutions, entert in the answer blank for 23, enter a formula for 2, in terms of t in the answer blank for 2, and enter a formula for 21 in terms of t in the answer blank for 21 If there are no solutions, leave the answer blanks for 21, 22 and 23 empty.

Answers

The system has infinitely many solutions.

The given augmented matrix represents a system of linear equations. To find the reduced row-echelon form, we perform row operations to transform the matrix into a triangular form with leading entries (1s) and zeros below each leading entry. Let's denote the variables as x, y, and z.

After performing the necessary row operations, we arrive at the reduced row-echelon form:

1 0 -46.7273 | 00 1 4.18182 | 00 0 0 | 0

From the reduced row-echelon form, we can deduce the following equations:

x - 46.7273z = 0y + 4.18182z = 0

These equations reveal that the system contains infinitely many solutions. By assigning a parameter, such as z = t, where t represents any real number, we can express the solutions in terms of the parameter. Thus, the coordinates of the solution are given by:

x = 46.7273ty = -4.18182tz = t

In this case, there is an infinite number of possible solutions, and each solution is represented by a unique value of t. Therefore, the main answer is that the system has infinitely many solutions.

Learn more about linear equations

brainly.com/question/29111179

#SPJ11

The 2015 American Community Survey estimated the median household income for each state. According to ACS, the 90% confidence interval for the 2015 median household income in Arizona is $
51
,
492
±
$
431.
$51,492±$431. Interpret the confidence level

Answers

The 90% confidence level means that we are 90% confident that the true median household income for Arizona falls within the given interval.

In statistical analysis, a confidence interval provides a range of values within which the true population parameter is likely to lie. In this case, the 90% confidence interval for the 2015 median household income in Arizona is stated as $51,492 ± $431.

Interpreting this confidence interval, we can say that we are 90% confident that the true median household income for Arizona in 2015 falls between $51,061 ($51,492 - $431) and $51,923 ($51,492 + $431). This means that if we were to take multiple samples and calculate their respective confidence intervals, approximately 90% of these intervals would contain the true median household income.

The confidence level represents the degree of certainty associated with the interval. In this case, a confidence level of 90% means that there is a 90% probability that the true median household income lies within the given range. It indicates a high level of confidence but allows for a 10% chance of the true value falling outside the interval.

To learn more about median household income

brainly.com/question/30894842

#SPJ11

Select the correct comparison set a set b O A the typical value is greater is set a the spread is greater in set b

Answers

Answer:

(a)

Step-by-step explanation:

Given

See attachment for sets A and B

Required

The true statement about both sets

First, we calculate the typical values (mean) of set A and set B.

This is calculated as:

[tex]Mean = \frac{\sum fx}{\sum f}[/tex]

For A:

[tex]A= \frac{0*1+2*1+5*1+6*1+7*1}{1+1+1+1+1}[/tex]

[tex]A= \frac{20}{5}[/tex]

[tex]A =4[/tex]

For B:

[tex]B = \frac{7 * 1 + 8 *1 + 9 * 2 + 10 * 1}{1+1+2+1}[/tex]

[tex]B = \frac{43}{5}[/tex]

[tex]B = 8.6[/tex]

Here, we can conclude that B has a larger typical value

Next calculate the spread (range) of sets A and B

This is calculated as:

[tex]Range = Highest -Least[/tex]

For A:

[tex]A = 7 - 0[/tex]

[tex]A = 7[/tex]

For B

[tex]B=10 - 7[/tex]

[tex]B = 3[/tex]

Here, we can conclude that A has a larger spread.

Hence, (a) is true

2222222 help me plz plz plz plz

Answers

Answer:

○ B) m∠XOA = m∠OYC

Step-by-step explanation:

Since Point O is circumcentered into the square, we keep it in the midst when we are making comparisons, and since this was simple to identify, this automatically is a false statement. Point O stays in the midst at all times.

- Hope this helps!

Use the Euler method to solve the differential equation
dy/dx= x/y ; y(0) = 1
with h = 0.1 to find y(1). Improve the result using h= 0.05 and compare both results with the analytical solution.
2. Use the predictor-corrector method to solve dy/dx = x^2+y^2 ; y(0)=0

with h = 0.01. Repeat for h= 0.05 and then give an estimate of the accuracy of the result of the first calculation.

Answers

Using Euler's method we get:

y_1 = 1

using the analytical solution:

y = 1.225

We can estimate the accuracy of the result of the first calculation to be approximately `0.0003927`.

Let's begin by solving the given differential equation using Euler's method.

Using Euler's method we can estimate the value of `y` at a point using the following equation:

y_n+1 = y_n + h*f(x_n,y_n), where h is the step size given by

`h=x_(n+1)-x_n`.

Given that `dy/dx = x/y` we have that `y dy = x dx`. Integrating both sides we get:

(1/2)y^2 = (1/2)x^2 + C where C is the constant of integration.

To find `C` we use the initial condition `y(0)=1`.

This gives:

(1/2)(1)^2 = (1/2)(0)^2 + C => C = 1/2

Therefore the solution is given by: y^2 = x^2 + 1/2 => y = sqrt(x^2 + 1/2)

Now to estimate `y(1)` using the Euler's method, we have:

x_0 = 0, y_0 = 1, h = 0.1

Using Euler's method we get:

y_1 = y_0 + h*(x_0/y_0) = 1 + 0.1*(0/1) = 1

Now, we will improve the result using h= 0.05 and compare both results with the analytical solution.

x_0 = 0, y_0 = 1, h = 0.05

Using Euler's method we get:

y_1 = y_0 + h*(x_0/y_0) = 1 + 0.05*(0/1) = 1

Now, using the analytical solution:

y = sqrt(x^2 + 1/2) => y(1) = sqrt(1 + 1/2) = sqrt(3/2) = 1.225

Using Euler's method we get y(1) = 1.0 (with h = 0.1) and 1.0 (with h = 0.05). As we can see the result is not accurate. To improve the result we can use a more accurate method like the Runge-Kutta method.

Next, we will use the predictor-corrector method to solve the given differential equation.

dy/dx = x^2+y^2 ; y(0)=0

with h = 0.01

To use the predictor-corrector method we need to first use a predictor method to estimate the value of `y` at `x_(n+1)`. For that we can use the Euler's method. Then, using the estimate, we correct the result using a better approximation method like the Runge-Kutta method.

The Euler's method gives:

y_n+1(predicted) = y_n + h*f(x_n,y_n) = y_n + h*(x_n^2 + y_n^2)y_1(predicted)

= y_0 + h*(x_0^2 + y_0^2) = 0 + 0.01*(0^2 + 0^2) = 0

Next, we will correct this result using the Runge-Kutta method of order 4.

The Runge-Kutta method of order 4 is given by: y_n+1 = y_n + (1/6)*(k1 + 2*k2 + 2*k3 + k4)

where k1 = h*f(x_n,y_n)

k2 = h*f(x_n + h/2, y_n + k1/2)

k3 = h*f(x_n + h/2, y_n + k2/2)

k4 = h*f(x_n + h, y_n + k3)

Using the given differential equation: f(x,y) = x^2 + y^2y_1 = y_0 + (1/6)*(k1 + 2*k2 + 2*k3 + k4)

where k1 = h*f(x_0,y_0) = 0

k2 = h*f(x_0 + h/2, y_0 + k1/2) = h*f(0.005, 0) = 0.000025

k3 = h*f(x_0 + h/2, y_0 + k2/2) = h*f(0.005, 0.0000125) = 0.000025

k4 = h*f(x_0 + h, y_0 + k3) = h*f(0.01, 0.0000125) = 0.000100y_1 = 0 + (1/6)*(0 + 2*0.000025 + 2*0.000025 + 0.000100) = 0.0000583

Now, we will repeat this process for `h=0.05`.

h = 0.05

The Euler's method gives:

y_1(predicted) = y_0 + h*(x_0^2 + y_0^2) = 0 + 0.05*(0^2 + 0^2) = 0

The Runge-Kutta method of order 4 gives:

y_1 = y_0 + (1/6)*(k1 + 2*k2 + 2*k3 + k4)

where k1 = h*f(x_0,y_0) = 0

k2 = h*f(x_0 + h/2, y_0 + k1/2) = h*f(0.025, 0) = 0.000313

k3 = h*f(x_0 + h/2, y_0 + k2/2) = h*f(0.025, 0.000156) = 0.000312

k4 = h*f(x_0 + h, y_0 + k3) = h*f(0.05, 0.000156) = 0.001242y_1 = 0 + (1/6)*(0 + 2*0.000313 + 2*0.000312 + 0.001242) = 0.000451

The estimate of the accuracy of the result of the first calculation is given by the difference between the two results obtained using `h=0.01` and `h=0.05`. This is:

y_1(h=0.05) - y_1(h=0.01) = 0.000451 - 0.0000583 = 0.0003927

Therefore, we can estimate the accuracy of the result of the first calculation to be approximately `0.0003927`.

Learn more about predictor-corrector method here:

https://brainly.com/question/32706634

#SPJ11

If Sº f(a)dz f(x)dx = 35 35 and o [*p12 g(x)dx = 12, find [3f(x) + 59(2)]da. Evaluate the indefinite integral. (Use C for the constant of integration.) [(x ) +17) 34.c + x² de

Answers

If Sº f(a)dz f(x)dx = 35 35 and o [*p12 g(x)dx = 12, find [3f(x) + 59(2)]da. The value of indefinite integral [3f(x) + 59(2)]da If Sº f(a)dz f(x)dx = 35 35 and o [*p12 g(x)dx = 12 is 223.

We are given the following conditions:

Sº f(a)dz f(x)dx = 35

35o [*p12 g(x)dx = 12

First, we need to evaluate the indefinite integral.

Hence, integrating (x² + x + 17)34c + x² with respect to x, we get,

x³/3 + 17x² + 34cx + x³/3 + C= (2/3) x³ + 17x² + 34cx + C

To find [3f(x) + 59(2)]da,

we need to integrate the same with respect to a.

[3f(x) + 59(2)]da= 3Sº

f(x)da + 59(2)a= 3Sº f(a)dz f(x)dx + 118

Therefore,[3f(x) + 59(2)]da= 3 × 35 + 118= 223

Therefore, [3f(x) + 59(2)]da= 223.

To learn more about indefinite integral

https://brainly.com/question/22008756

#SPJ11

in problems 5–12 use computer software to obtain a direction eld for the given differential equation. by hand, sketch an approximate solution curve passing through each of the given points.

Answers

To sketch an approximate solution curve passing through specific points, integrate the differential equation numerically Euler's method, Runge-Kutta methods, or solve the equation analytically if possible

To generate a direction field for a given differential equation using computer software, you can use mathematical software packages such as MATLAB, Python with libraries like NumPy and Matplotlib, or dedicated software like Wolfram Mathematica. Here, I will explain the general procedure using Python and Matplotlib.

Define the differential equation: Write down the differential equation you want to work with. For example, let's say we have a first-order ordinary differential equation dy/dx = x - y.

Import the necessary libraries: In Python, you'll need to import the required libraries, such as NumPy and Matplotlib. You can do this with the following code:

python

Copy code

import numpy as np

import matplotlib.pyplot as plt

Define the direction field function: Create a Python function that calculates the slope at each point (x, y) based on the given differential equation. For our example equation dy/dx = x - y, the function can be defined as follows:

python

Copy code

def direction_field(x, y):

   return x - y

Generate a grid of points: Define the range of x and y values over which you want to generate the direction field. Create a mesh grid using NumPy's meshgrid function to generate a grid of points (x, y). For example:

python

Copy code

x = np.linspace(-5, 5, 20)

y = np.linspace(-5, 5, 20)

X, Y = np.meshgrid(x, y)

Calculate the slopes: Use the direction_field function to calculate the slopes (dy/dx) at each point in the grid. Store the result in a variable, such as dy_dx:

python

Copy code

dy_dx = direction_field(X, Y)

Plot the direction field: Use Matplotlib's quiver function to plot the direction field. This function creates arrows at each point (x, y) in the grid, indicating the direction of the slope (dy/dx). Here's an example:

python

Copy code

plt.figure(figsize=(8, 8))

plt.quiver(X, Y, np.ones_like(dy_dx), dy_dx)

plt.xlabel('x')

plt.ylabel('y')

plt.title('Direction Field')

plt.grid(True)

plt.show()

This code will display the direction field for the given differential equation.

To sketch an approximate solution curve passing through specific points, you can integrate the differential equation numerically using numerical integration methods such as Euler's method, Runge-Kutta methods, or solve the equation analytically if possible. Once you have the solution, you can plot it on top of the direction field using Matplotlib to compare it with the given points.

Learn more about differential equation here:

https://brainly.com/question/32538700

#SPJ11

Help there are five people at the carnival they are 15 people at the other carnival how many people are there

Answers

I think there are 20 people

please please I really need help this depends on my life​

Answers

Answer:

39.4 divided by (-7.2)= -5.472

6.7-39.31=-32.61

Step-by-step explanation:

7 + k = 11 step explanation

Answers

Answer:

k = 4

Step-by-step explanation:

11 - 7 = 4

Please answer this for me ASAP

Which number is nearest in value to 7508.
A. 5,706
B. 6,993
C. 8,108
D. 8,522
E. 1,050

Answers

Step-by-step explanation:

Let's find the difference between 7508 and the other numbers.

A. 5706 - 7508 = -1802

B. 6993 - 7508 = -515

C. 8108 - 7508 = 600

D. 8522 - 7508 = 1014

E. 1050 - 7508 = -6458

If we do not take +ve / -ve into account,

the closest number to 7508 = the smallest difference

which in this case, is B, 6993.

Answer:

B. 6993

Step-by-step explanation:

hope this helps :)

24 Hour Fitness charges svara spatee plus so per months to poun thensyn time has podszes por s gym membership so farHow many monohis has he been a member at 24 Hour Fitness monks​

Answers

Answer:

4 months

Step-by-step explanation:

Equation:

y = 55 + 30x

y = gym membership

x = per month

Work:

y = 55 + 30x

175 = 55 + 30x

30x = 175 - 55

30x = 120

x = 4

4 months

What's the equation to use to solve x?

Answers

Total Speed = total distance/total time
= 290/2
= 145km/hr
145-15=x
= 130km/hr

Please help! if do you will get 'Brainliest' (Right answers only, and please show your work)

Answers

Answer:

The answer should be B

[tex]3c \: + \: 43 \: \geqslant \: 100[/tex]

PLEASE HELP PLEASE

Write a clear explanation summarizing what you have learned about defining expressions that have zero or a negative integer as an exponent. Then explain, using examples, why these definitions makes sense. Give as many reasons as you can. Also indicate which exclamation makes the most sense to you.

Answers

Answer:

Any number raised to zero is one.

Examples:

[tex]4^{0} = 1\\\\178^0=1\\\\15^0 = 1[/tex]

Any number raised to a negative integer is 1 over that exponential term without the negative exponent.

Examples:

[tex]5^{-1} = \frac{1}{5}\\\\324^{-13}=\frac{1}{324^{13}}\\\\17^{-6} = \frac{1}{17^{6}}[/tex]

Using mirrors installed on the moon by Apollo astronauts to reflect laser waveforms, its possible to measure the distance from earth to moon to high precision. Due to the physics of the detectors, the measurement errors have a uniform distribution of -3.0 to + 5.0 cm

a. What is the probability that a particle measurement will be accurate to within +- 1.0 cm?

b. Find the mean of the measurement errors

c. Find the standard deviation of the measurement errors

Answers

A.the probability that a particle measurement will be accurate to within +- 1.0 cm is  0.25 B. the mean of the measurement errors is 1 cm. C.  the standard deviation of the measurement errors is 2.311 cm.

a. For a uniform distribution of -3.0 to + 5.0 cm, the total distance is 5.0 - (-3.0) = 8.0 cm.

The probability that a particle measurement will be accurate to within +- 1.0 cm is given by:

P(-1.0 ≤ X ≤ 1.0) = (1/(8.0)) * (1.0 - (-1.0))= (1/8.0) * 2= 0.25

b. Find the mean of the measurement errors

The formula to calculate the mean (μ) of the measurement errors is:μ = (a + b) / 2

where, a is the lower limit of the distribution, and b is the upper limit of the distribution.μ = (-3.0 + 5.0) / 2= 2 / 2= 1

Therefore, the mean of the measurement errors is 1 cm.

c. Find the standard deviation of the measurement errors

The formula to calculate the standard deviation (σ) of a uniform distribution is:σ = (b - a) / √12

where, a is the lower limit of the distribution, b is the upper limit of the distribution, and √12 is the square root of 12.σ = (5.0 - (-3.0)) / √12= 8 / 3.464= 2.311

Therefore, the standard deviation of the measurement errors is 2.311 cm.

Know more about  probability here,

https://brainly.com/question/31828911

#SPJ11

a. Assuming a, b and k are constants, calculate the following derivative. d a ([8] c*) = | 7 2 b. Find a value of k so that ekt is a solution to a = -4 1 k = 7 c. Find a value of k so that ekt is a solution to ' = 2] -2 4 k = d. Write down the general solution in the form ₁ (t) = ? and ₂(t) =?, i.e., write down a formula for each component of the solution. Use A and B to denote arbitrary constants. x₁ (t) = x₂ (t) = [4] x. č.

Answers

a) The derivative of a constant times a constant is zero, so the derivative of da ([8] c*) with respect to c* is zero. b) there is no value of k that satisfies this equation. c) k = 2/e

How to find Find a value of k so that ekt is a solution to a = -4 1 k = 7

a. The derivative of a constant times a constant is zero, so the derivative of da ([8] c*) with respect to c* is zero.

b. To find a value of k such that ekt is a solution to a = -4, we substitute ekt into the equation:

a = -4

ekt = -4

Since ekt is always positive, there is no value of k that satisfies this equation.

c. To find a value of k such that ekt is a solution to ' = 2, we substitute ekt into the equation:

' = 2

d(ekt)/dt = 2

Differentiating ekt with respect to t, we get:

kekt = 2

Dividing both sides by ek, we have:

k = 2/e

d. The general solution for the system of differential equations in the form x₁(t) = ? and x₂(t) = ? can be obtained by solving the system using the initial conditions and finding the values of the arbitrary constants A and B.

Learn more about derivative at https://brainly.com/question/23819325

#SPJ4


The circle graph shows how William spends his day on average. If he sticks
to this schedule, how many hours will William spend sleeping over the
course of a week (7 days)? ()
17% 11%
10%
А
A) 75.6 hours
B) 78.2 hours
C) 814 hours
Watching TV
Video Games
Fating
Working
45 %Sleeping
27%
D) 848 hours

Answers

Answer:

d

Step-by-step explanation:

i did the math

You have two coins, a blue and a red one. You choose one of the coins at random, each being chosen with probability
1/2. You then toss the chosen coin twice. The coins are biased: with the blue coin, the probability of heads in any given toss is 0.8, whereas for the red coin it is 0.2.

Let B denote the event that you’ve picked the blue coin.
Let Hi denote the event that the i-th toss resulted in heads for i = {1; 2)

Events H1 and H2 are independent by assumption.


(a) Compute P(H1):
(b) Compute P(H2):
(c) Compute P(H1 ∩ B):
(d) Compute P(H1 ∩ H2).
(e) Are events H1 and H2 independent? Why?
(f) Compute P(H2 | H1).

Answers

According to the question You have two coins, a blue and a red one. You choose one of the coins at random, each being chosen with probability are as follows :

(a) To compute P(H1), we need to consider the probability of getting heads on the first toss. There are two scenarios: either we picked the blue coin and got heads, or we picked the red coin and got heads.

[tex]\(P(H1) = P(H1 \cap B) + P(H1 \cap \bar{B}) = P(H1 | B)P(B) + P(H1 | \bar{B})P(\bar{B}) = 0.8 \times \frac{1}{2} + 0.2 \times \frac{1}{2} = 0.4 + 0.1 = 0.5\)[/tex]

(b) To compute P(H2), we can use the same reasoning as in part (a), considering the probability of getting heads on the second toss.

[tex]\(P(H2) = P(H2 \cap B) + P(H2 \cap \bar{B}) = P(H2 | B)P(B) + P(H2 | \bar{B})P(\bar{B}) = 0.8 \times \frac{1}{2} + 0.2 \times \frac{1}{2} = 0.4 + 0.1 = 0.5\)[/tex]

(c) To compute P(H1 ∩ B), we consider the probability of getting heads on the first toss given that we picked the blue coin.

[tex]\(P(H1 \cap B) = 0.8 \times \frac{1}{2} = 0.4\)[/tex]

(d) To compute P(H1 ∩ H2), we need to consider the probability of getting heads on both the first and second toss.

[tex]\(P(H1 \cap H2) = P(H1)P(H2 | H1)\)[/tex]

(e) The independence of events H1 and H2 can be determined by comparing [tex]\(P(H2 | H1)\)[/tex]  and [tex]\(P(H2)\)[/tex] .

(f) To compute P(H2 | H1), we use the formula for conditional probability:

[tex]\(P(H2 | H1) = \frac{P(H1 \cap H2)}{P(H1)} = \frac{0.4}{0.5} = 0.8\)[/tex]

To know more about probability visit-

brainly.com/question/31000901

#SPJ11

b) Which phrases are used to describe an upper-tail test? (Select all that apply.) is greater than is less than is not the same as is smaller than is bigger than is shorter than is longer than is different from is decreased from is increased from has changed from is above is below is not equal to (c) Which phrases are used to describe a two-tail test? (Select all that apply.) is greater than is less than is not the same as is smaller than is bigger than is shorter than is longer than is different from is decreased from is increased from has changed from is above is below is not equal to

Answers

The phrases used to describe an upper-tail test are "is greater than," "is bigger than," "is above," and "is not equal to." and the phrases used to describe a two-tail test are "is not the same as," "is different from," and "is not equal to."

a) The hypothesis testing process is based on the assumption that the null hypothesis is true, which means that there is no significant difference between the observed and expected data. The alternative hypothesis is a statement that contradicts the null hypothesis and suggests that the observed data is different from the expected data. A hypothesis test involves testing the null hypothesis against the alternative hypothesis using a test statistic and a significance level. The significance level is the probability of rejecting the null hypothesis when it is true. If the p-value is less than the significance level, then we reject the null hypothesis and accept the alternative hypothesis. Otherwise, we fail to reject the null hypothesis.

b) The phrases used to describe an upper-tail test are "is greater than," "is bigger than," "is above," and "is not equal to." An upper-tail test is a one-tailed test that is used to determine if the sample mean is significantly greater than the population mean. The null hypothesis for an upper-tail test is that the population mean is less than or equal to the sample mean. The alternative hypothesis is that the population mean is greater than the sample mean.

c) The phrases used to describe a two-tail test are "is not the same as," "is different from," and "is not equal to." A two-tail test is used to determine if the sample mean is significantly different from the population mean. The null hypothesis for a two-tail test is that the population mean is equal to the sample mean. The alternative hypothesis is that the population mean is not equal to the sample mean.

know more about upper-tail test

https://brainly.com/question/17204018

#SPJ11

Question Progress
boel
21/40 Marks
Find the area of this parallelogram.
13 cm
15 cm
20 cm

Answers

I think the area of the parallelogram is 260 cm squared. You multiply the 13 by the 20 to get 260. You don’t use the 15 because it is at an angle and you can’t get a proper height using it.

. PLS HELP WILL GIVE BRAINLIEST

For each function, determine whether it is even, odd, or neither. Explain.


a. Graph q ( in photo)

b. Graph r ( in photo)

c. The function given by = 3 − 4

Answers

a. The function in graph q is classified as an odd function, as f(-x) = -f(x).

b. The function in graph q is classified as an even function, as f(-x) = f(x).

c. The function [tex]y = 3^x - 4[/tex] is classified as neither an odd function nor an even function.

What are even and odd functions?

In even functions, we have that the statement f(x) = f(-x) is true for all values of x. In this case, these functions are symmetric over the y-axis.In odd functions, we have that the statement f(-x) = -f(x) is true for all values of x.If none of the above statements are true for all values of x, the function is neither even nor odd.

For the third function, [tex]y = 3^x - 4[/tex], we have that:

When x = 1, y = -1.When x = -1, y = 1/3 - 4 = -3.67.

No relation between f(1) and f(-1), hence the function is neither even nor odd.

More can be learned about even and odd functions at https://brainly.com/question/2284364

#SPJ1

Other Questions
Q1. For strengthening Indian IT-ITES sector, what are the initiatives do you think Indian IT-ITES industry should undertake from the success of Zoho Corporation and the opportunities thrown up by Japan?Q2. Recently the central government has enacted The Industrial Relations Code, 2020 with the aim of reforming the Indian labour laws. Several states have also reformed their respective labour laws. According to you which of the measures introduced by the centre and states would be useful to improve the climate for industrial investment in India true/false. the two superpowers that opposed each other during the cold war were the united states and east germany italy japan the soviet union Year Total MSW recycled (millions of metric tons) Percent of MSW recycled1960 5 8%1970 7 8%1980 12 10%1990 23 13%2000 57 27%2010 76 33%(i) Calculate the percent change in the annual total MSW recycled from 1960 to 2000 in the United States. Show your work. Compare and Contrast You have a set of three similar nesting gift boxes. Each box is a regular hexagonal prism. The large box has 10-cm base edges. The medium box has 6-cm base edges. The small box has 3-cm base edges. How does the volume of each box compare to every other box?Two similar pyramids have heights 6 m and 9 m. a. What is their scale factor? b. What is the ratio of their surface areas? c. What is the ratio of their volumes? A small, spherical hamster ball has a diameter of 8 in. and a volume of about 268 in.. A larger ball has a diameter of 14 in. Estimate the volume of the larger hamster ball.Error Analysis A classmate says that a rectangular prism that is 6 cm long, 8 cm wide, and 15 cm high is similar to a rectangular prism that is 12 cm long, 14 cm wide, and 21 cm high. Explain your classmate's error. The lateral area of two similar cylinders is 64 m and 144 m. The volume of the larger cylinder is 216 m. What is the volume of the smaller cylinder? The volumes of two similar prisms are 135 ft' and 5000 ft. a. Find the ratio of their heights. b. Find the ratio of the area of their bases. Which materials is found in thermal grease used for the processors heatsink? dioxin dioxin mercury mercury arsenic arsenic beryllium oxide Money, Banking and Financial Markets C2. (10 Marks) Demonstrate using balance sheet accounting (for a central bank, commercial bank, etc.) the impact of contractionary monetary policy, specifically Quantitative Tightening (the opposite of Quantitative Easing). Explain how interest rates are impacted. What is the impact on aggregate demand and inflation in the economy? As this question is worth for 10 marks, the answer should have 10 key points(like examples, definitions and explanations). Don't answer the whole question in bullet points (it means, you can answer that partly with bullet points if necessary. Remember, PARTLY!) Thank you! Analyze the role that manifest destiny played in the california gold rush. what was the result? Which one of the following substituents will direct the incoming group to the meta position during electrophilic aromatic substitution? A. -NO2 B.-CON C. -CC13 D.-COOH E, all of these Can someone please explain how you can tell whether or not the following elements are able to be prepared?Zinc metal can be prepared by electrolysis of its aqueous saltsCobalt metal can be prepared by electrolysis of its aqueous saltsCadmium metal can be prepared by electrolysis of its aqueous saltsHydrogen can be prepared by suitable electrolysis of aqueous magnesium saltsHydrogen CANNOT be prepared by suitable electrolysis of aqueous zinc saltsHydrogen can be prepared by suitable electrolysis of aqueous aluminum saltsHydrogen CANNOT be prepared by suitable electrolysis of aqueous silver saltsBarium metal CANNOT be prepared by electrolysis of its aqueous saltsLead metal can be prepared by electrolysis of its aqueous saltsNitrogen CANNOT be prepared by electrolysis of an aqueous nitrate solution Discuss which airports are required to maintain an approved Airport Security Program (ASP). Using your knowledge of exponential and logarithmic functions and properties, what is the intensity of a fire alarm that has a sound level of 120 decibels? A. 1.0x10^-12 watts/m^2 B. 1.0x10^0 watts/m^2 C. 12 watts/m^2 D. 1.10x10^2 watts/m^2 What is disguised unemployment? Describe the three phases ofdevelopment in the Lewis model? Explain the validity of thestatement: In the dual economy model, the phase of disguisedunemployment must Rebecca is 22 years old and in her last year of college. She is studying hotel and restaurant management. She has worked in the food services industry since she was 16. After graduation, Rebecca will move to Niagara Falls and begin work at a local hotel and conference center. Her starting wage will be $14.30/h based on a 40-h work week, with an increase in pay and responsibility after six months. Rebecca's net earnings are approximately 80% of her gross earnings. She will be paid every second Friday. Rebecca does not own a car. She decides to rent an apartment within walking distance of the hotel for $700 per month. Assume the average monthly cost for utilities-water, electricity, and heating will be $75, since utilities are not included. To Do: 1. Estimate Rebecca's other expenses, such as food and household items, etc. 2. Design a budget for Rebecca with the information you know. Use the paper budget template. Is she earning enough to cover her expenses? If not, how can she balance her budget? Income Monthly Percentage Total Income: Expenses Fixed Total Fixed Expenses Variable Total Variable Expenses: Total Expenses: Total Income-Total Expenses 3. Create a pie chart to display the percentages of the monthly expenses. In your econ class, you learned that the purpose of the gas tax is to make the suppliers of gas pay the environment; so that they produce socially amounts of gas. external, inefficient external, efficient O internal, inefficient O internal, efficient Entries for Issuing Stock On January 22, Ireland Corporation issued for cash 16,000 shares of no-par common stock at $20. On February 14, Ireland issued at par value 9,000 shares of preferred 5% stock Which of the following expressions best states the idea of opportunity cost? A) "A penny saved is a penny earned." B) "He who hesitates is lost." C) "There is no such thing as a free lunch." D) "Watch the pennies, and the pounds will look after themselves." You have to conduct a survey in your school to find out which mode of transportation students prefer the most. Arrange the steps for complethis project in order from start to finish. B2B Company is considering the purchase of equipment that would allow the company to add a new product to its line. The equipment costs $374,400 and has a 12-year life and no salvage value. B2B Compan a. List all multiples of 10 up to 100.b. List all multiples of 15 up to 100.c. What is the least common multiple of 10 and 15? 31 www Bengal Company provides the following unit sales forecast for the next three month July 12.000 August 12.700 September 6,300 Sales units The company wants to end each month with ending finished