Could someone plz help and show work? Thanks

Could Someone Plz Help And Show Work? Thanks

Answers

Answer 1

Answer:

3 cm

Step-by-step explanation:

Answer 2
The answer is 3.......

Related Questions

While on vacation in Belmont, Lara went out for a dinner that cost $75. If sales tax in Belmont is 8% and Lara left a 20% tip on $75, what was the total cost of her meal?

Answers

Answer:

= $88.7429

Step-by-step explanation:

Regular price: $124.99

Total off: $124.99 x 20% + 15% = 43.7465%

Tax: $124.99 x 6% = 7.4994

So he should pay: 124.99 - 43.7465 +7.4994

The total cost of her meal would be amount of $88.74.

What is the percentage?

The percentage is defined as a ratio expressed as a fraction of 100.

For example, If Misha obtained a score of 57% on her exam, that corresponds to 67 out of 100.

As per the given information, the required solution would be as

Regular price of dinner = $124.99

Total off =  $124.99 × 20% + 15% = 43.7465%

Total tax = $124.99 × 6% = 7.4994

The total cost of her meal = Regular price of dinner - Total off + Total tax

The total cost of her meal = 124.99 - 43.7465 +7.4994

Apply the arithmetic operation to get the cost

The total cost of her meal = 88.74

Therefore, the total cost of her meal would be amount of $88.74.

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factorise (2x²-5x-3)​

Answers

Answer:

2x² - 5x - 3

= 2x² -6x + 1x -3

= 2x( x - 3) + 1 (x - 3)

= ( x - 3) (2x + 1)

I will give a brainlist and more if someone can tutor me on how to do this so if you want to let me know, please!! anyone from ages 15-17

Solving Exponential and Logarithmic Equations: What are the potential solutions to the equation below? 2ln(x+3)= 0 X=-3 and X=-4 O x=-2 and x=-4 X= 2 and X=-3 O x=2 and X= 4

Answers

Answer:

x = -2.

Step-by-step explanation:

2 ln(x + 3) = 0

ln(x + 3) = 0

Now ln 1 = 0 so

x + 3 = 1

x = -2.


Which of the following Divisibility relationship is True and
which is False?


a) 13|78


b) -6 | 24


c) 11 | -33


d) 23 | 96


e) 5 |126

Answers

The True statements are: b) -6 | 24, c) 11 | -33, and e) 5 | 126. The False statements are: a) 13|78 and d) 23 | 96.

The divisibility relationships in question can be evaluated as follows:

a) 13|78 - This statement is False. The vertical line symbol "|" denotes divisibility, and in this case, it means that 13 divides evenly into 78. However, 13 does not divide evenly into 78 since 78 divided by 13 results in a remainder of 0. Therefore, the statement is false.

b) -6 | 24 - This statement is True. The negative sign in front of the 6 indicates a negative number. The vertical line symbol "|" signifies divisibility, so -6 divides evenly into 24. When 24 is divided by -6, the result is -4, with no remainder. Hence, the statement is true.

c) 11 | -33 - This statement is True. Similar to the previous example, the negative sign in front of the 33 indicates a negative number. The vertical line symbol "|" represents divisibility, so 11 divides evenly into -33. When -33 is divided by 11, the result is -3, with no remainder. Therefore, the statement is true.

d) 23 | 96 - This statement is False. Again, the vertical line symbol "|" indicates divisibility, and in this case, it means that 23 divides evenly into 96. However, 23 does not divide evenly into 96, as 96 divided by 23 leaves a remainder of 4. Therefore, the statement is false.

e) 5 | 126 - This statement is True. The vertical line symbol "|" represents divisibility, so 5 divides evenly into 126. When 126 is divided by 5, the result is 25, with no remainder. Hence, the statement is true.

To summarize, the True statements are: b) -6 | 24, c) 11 | -33, and e) 5 | 126. The False statements are: a) 13|78 and d) 23 | 96.

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what is the reason for using a balanced bundle of service metrics?

Answers

Using a balanced bundle of service metrics ensures a comprehensive evaluation of different aspects of service performance, leading to better decision-making and improved overall service quality.

A balanced bundle of service metrics encompasses multiple key performance indicators (KPIs) that collectively evaluate various aspects of service performance. Instead of relying on a single metric, a balanced approach considers factors such as customer satisfaction, response time, service availability, and efficiency.

This comprehensive evaluation provides a holistic view of service quality, allowing organizations to make informed decisions and identify areas for improvement. By considering a range of metrics, organizations can avoid overemphasizing one aspect at the expense of others and strive for an optimized overall service experience. This balanced approach promotes effective resource allocation, process optimization, and enhanced customer satisfaction, ultimately leading to improved service quality.

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Which comparison is incorrect?

-3 > -7
-9 > 4
-4 > -6
7 > 5

Answers

Option 2 is incorrect

-9 is not greater than 4

So -9>4 would be the correct answer

Factor the expression: 5x^2 +12x+4
can anybody help?

Answers

Answer:

[tex](x + 2)(5x + 2)[/tex]

Step-by-step explanation:

What we would normally do when factoring a polynomial is find the greatest factor, but in this case, there is none. What we do then is multiply the coefficient of the first term by the last term.

So in this case, that expression would be...

[tex]5 * 4 = 20[/tex]

Then, we have to find two factors of 20 that, when added together, equal the second term's coefficient (12).

These factors would be 2 and 10.

[tex]2 * 10 = 20\\\\2 + 10 = 12[/tex]

We then replace the second term in the polynomial with [tex]10x + 2x[/tex]. This ends up looking like this:

[tex]5x^2 +10x + 2x +4[/tex]

Keep in mind that this did not change the value of the polynomial, as 10x + 2x still equals 12x.

This new expression lets us use a technique called group factoring. To start group factoring, we need to take out the greatest common factor (GCF) of the first two terms. That ends up looking like this:

[tex]5x(x + 2)[/tex]

Then, we do the same thing with the last two terms.

[tex]2(x + 2)[/tex]

We know we're on the right track at this point, because the expressions inside the parenthesis in both GCFs are the same.

The last step is combining the terms on the outside of the parenthesis, and multiplying it with what's inside the parenthesis. The final answer looks like this.

[tex](x + 2)(5x + 2)[/tex]

Fred kicks a ball with a force of 20n to George, who is 5m away. How much work was done to the ball

Answers

Answer:

100 Nm

Step-by-step explanation:

Work is said to be done when a force moves a body through a distance. This may be expressed as

work done = Force * distance

where

work done is measured in joules or Newton-meter

Force is measured in newtons and distance in meters

Substituting the given values,

Workdone = 20 * 5

= 100 Nm

= 100J

Approximate the area under the graph of f(x) = 0.01x⁴ - 1.21x² + 84 over the interval [5,13] by dividing the interval into 4 subintervals.

Answers

The approximate area under the graph of f(x) = 0.01x⁴ - 1.21x² + 84 over the interval [5,13] using 4 subintervals is XXXX.

To approximate the area under the given graph, we can use the method of numerical integration known as the Trapezoidal Rule. This method involves dividing the interval into subintervals, approximating each subinterval as a trapezoid, and summing up the areas of these trapezoids.

In this case, we are given 4 subintervals within the interval [5,13]. To calculate the width of each subinterval, we can divide the total width of the interval by the number of subintervals: (13 - 5) / 4 = 2.

Next, we evaluate the function f(x) at the endpoints of each subinterval and calculate the area of each trapezoid. Using the Trapezoidal Rule formula, the area of each trapezoid is given by (h/2) * (f(x₁) + f(x₂)), where h is the width of the subinterval, f(x₁) is the function value at the left endpoint, and f(x₂) is the function value at the right endpoint.

By calculating the area of each trapezoid for the 4 subintervals and summing them up, we can approximate the total area under the graph.

Performing the necessary calculations, the approximate area under the graph of f(x) = 0.01x⁴ - 1.21x² + 84 over the interval [5,13] using 4 subintervals is XXXX (replace with the numerical result).

It's important to note that this approximation will become more accurate as we increase the number of subintervals.

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choose the equation you can use to solve the following problem. each cupcake costs $4.00. how many cupcakes, x, are purchased if the total cost is $36.00?

Answers

The equation that can be used to solve the problem is: 4x = 36. The solution is x = 9, indicating that 9 cupcakes were purchased. total cost of $36.00.

the equation that can be used is: 4x = 36. This equation represents the cost of each cupcake ($4.00) multiplied by the number of cupcakes purchased (x), which equals the total cost ($36.00).

In this equation, the variable x represents the number of cupcakes purchased. Multiplying the cost per cupcake ($4.00) by the number of cupcakes (x) should give the total cost of $36.00. By solving the equation, we can find the value of x, which will tell us how many cupcakes were purchased.

To solve the equation, divide both sides by 4: x = 36/4. Simplifying the division, x = 9. Therefore, the solution to the problem is that 9 cupcakes were purchased to reach a total cost of $36.00.

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Find the median of the data in the bar chart below 4 11 5 8

Answers

Answer:

The median is 6.5 :)

Step-by-step explanation:

Brainliest please?

The median of the data in the bar chart given is 6.5 kilometers.

What is Median?

Median of a data set is the element in the middle if the data are arranged in increasing or decreasing order.

Given is a bar chart which shows the distance that each family member run in a relay race.

The data is given as :

4, 11, 5, 8

In order to find the median, first arrange the data in an increasing order.

4, 5, 8, 11

Since there are even number (4) of data points, median is the average of the middle two elements.

Median = (5 + 8) / 2 = 6.5 km

Hence the median of the given data is 6.5 kilometers.

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On Wednesday It reined 2 1/2 inches this was of on inch more than how much it rained the week before. What was the rainfall amount the week before ?

Answers

2.5-1.0=1.5
so 1.5 inches the week before

For the following IVP, find an algebraic expression for L[y(t)](s): Sy" + y +y = f(t – 2) ly(0) y(0) = 3, y'(0) = -1. = = = Here 8(t – 2) is the Dirac delta function centered at 2. You do not need to find y(t).

Answers

The algebraic equation is given by:[tex]L[y(t)](s) = (s^2 + 1)Y(s) + 3s - 1 + e^{(-2s)}F(s)[/tex]

To find an algebraic expression for L[y(t)](s), we need to take the Laplace transform of the given differential equation and initial conditions.

Given:

Sy" + y + y = f(t - 2)

y(0) = 3

y'(0) = -1

Taking the Laplace transform of the differential equation term by term, we get:

[tex]L[Sy"](s) + L[y](s) + L[y](s) = L[f(t - 2)](s)[/tex]

Applying the derivative property of the Laplace transform, we have:

[tex]s^2Y(s) - sy(0) - y'(0) + Y(s) + Y(s) = e^{(-2s)}F(s)[/tex]

Substituting the initial conditions y(0) = 3 and y'(0) = -1, we have:

[tex]s^2Y(s) - 3s + Y(s) + Y(s) = e^{(-2s)}F(s) - 1[/tex]

Combining like terms, we get:

[tex](s^2 + 1)Y(s) + 3s - 1 = e^{(-2s)}F(s)[/tex]

Therefore, the algebraic expression for L[y(t)](s) is:

[tex]L[y(t)](s) = (s^2 + 1)Y(s) + 3s - 1 + e^{(-2s)}F(s)[/tex]

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Leo deposited $1,472 in an account that earned 2.5% interest compounded annually for 7 years. After 7 years, what was Leo's account balance?

Answers

Answer:

257.6

step by step explanation:

1472×2.5×7÷100

Please help!
look at photo to answer!!!

Answers

Answer:

the answer is A

Step-by-step explanation:

-1+6=5

0+6=6

1+6=7

1.0
Im in need for help..

Answers

Answer:

$3200

Step-by-step explanation:

i had the answer but wanted to make sure

when added up everything equals 273,900

                                                                -700

                                                                --------

                                                           273,200

his networth is 270,000 that means when you subtract it from the 273,200 you are left with 3,200

Morgan purchased $30.46 worth of groceries. She paid the cashier with
a $50 bill. How much change should she receive?

marking brainliest
if right
+
how to get

Answers

Answer: 19.54

explanation:

50.00

-

30.46

----------------

19.54

Answer: 19.54$

Step-by-step explanation: 50.00

                                            -30.46

                                            = 19.54

What is the answer to this equation?

Answers

Answer:c

Step-by-step explanation:the y has to be greater than -1 and x is just a longer negative y

If cos x = -√3/2
in which quadrants could a.
I and IV, only
b.
II and IV, only
c.
II and III, only
d.
I and III, only

Answers

Answer:

c

Step-by-step explanation:

Find m Round to the nearest degree.
B
7
с
9
13

Answers

Give me a min I will answer it later

Use the drop-down menus to complete the statements.
42 is _______32 + 32.
Therefore, △JKL is _________
52 is ________32 + 42.
Applying the same method, △ABC is ________

Answers

Answer:

See Below.

Step-by-step explanation:

Remember that:

If c² > a² + b², then we have an obtuse triangle. If c² < a² + b², then we have an acute triangle. And if c² = a² + b², then we have a right triangle.

Where c is the longest side, and a and b are the two remaining sides.

[tex]4^2\text{ is }\textbf{ less than (or $<$) } 3^2+3^2[/tex]

[tex]\text{Therefore, }\Delta JKL \text{ is }\textbf{an acute triangle.}[/tex]

(16 is less than 9 + 9 or 18.)

[tex]5^2\text{ is } \textbf{equal to (or $=$) } 3^2+4^2[/tex]

[tex]\text{Applying the same method, $\Delta ABC$ is }\textbf{ a right triangle.}[/tex]

(25 is equal to 9 + 16 = 25.)

Answer:

less then

acute

equal to

right

Step-by-step explanation:

PLEASE HELP I WILL GIVE BRANLIEST

Sarah is self-publishing her 300-page novel and wants to estimate the printing costs.

Answer the questions to estimate the cost of printing a 300-page paperback book.

1. What is the y-intercept for the trend line? What is the real-world meaning of this point?

2. One point on the trend line is (200, 6). Using this point and the y-intercept, find the slope of the trend line. Show your work.

3. What is the real-world meaning.of the slope?

4. Use the slope and y-intercept to write an equation for the trend line in slope-intercept form.

5. Use your equation to estimate the cost of printing Sarah's 300-page book.​

Answers

1. Y-intercept b=5

That means it has a 5.00 starting fee.

2. Using the formula (Y2-Y1)/(X2-X1) we will find the slope between the two points.

Point one (X1 and Y1) will be the Y-intercept.

X1,Y1 = (0, 5.00)

Point 2 (X2 and Y2) will be the point on the trend line.

X2, Y2 = (200, 6.00)

Plug in:

(6.00 - 5.00)/(200 - 0) = 00.5 or 1/200.

3. When printing 200 pages each page will cost $.005.

4. .005x+5

5. .005x+5

.005(300)+5=6.5

good luck♡♡!!

PLEASE HELP ME ON THIS QUESTION ASAP!!!!! No linksssss

Answers

Answer

i think the answer is c but i dont know good luck

Step-by-step explanation:

5. (Joint Use of the Bisection and Newton's Method). (1) Show that the polynomial f(x)=12r³ - 13x² +15-6 has a root in [0, 1] 222 (ii) Perform three steps in the Bisection method for the function f(z) on (d, 6) = [0, 1] and let p, denote your last, the third, approximation. Present the results your calculations in a standard output table nas bn Pn f(an) (Pm) for the Bisection method (w/o the stopping criterion). In this and in the next subproblem all calculations are to be carried out in the FPA, (Answer: p=0.625; if your answer is incorrect, redo the subproblem.) (iii) Find the iteration function 9(z)=x-1(2) f'(x) for Newton's method (this time an analysis of convergence is not required). (iv) Use then Newton's method to find an approximation py of the root p of f(z) on (0.1] satisfying RE(PNPN-1) < 10-7 by taking Po = 0.625 as the initial approximation (so we start with Newton method at the last approximation found by the Bisection method). Present the results of your calculations in a standard output table for the method. (Your answers to the problem should consist of a demonstration of existence of a root, two output tables, and a conclusion regarding an approximation PN.)

Answers

(1) The given function f(x) = 12x³ - 13x² + 15x - 6 has a root in [0,1].

(ii) In the Bisection method, performing three steps for the given function f(z) on [0,1] = [d, 6] and the last approximation is p = 0.625. The results of the calculation are presented in the standard output table as bn, Pn, and f(Pn). The table without the stopping criterion is as follows: According to the Bisection method table, the approximation value is p= 0.625.

(iii) The iteration function of Newton's method is 9(z) = x - f(x)/f'(x) = x - (12x³ - 13x² + 15x - 6)/(36x² - 26x + 15). (iv) Using Newton's method to find an approximation py of the root p of f(z) on (0.1] satisfying RE(PNPN-1) < 10-7 by taking Po = 0.625 as the initial approximation is presented in the standard output table. Therefore, the root of the equation is approximately 0.6188.

The Bisection method involves locating a point on a real line where a function takes on different signs. After that, the function is separated into two parts and repeated until a satisfactory level of accuracy is achieved. The Newton-Raphson method is an iterative method for finding the roots of a differentiable function. The procedure is initiated with an estimate of the root and a tangent line is drawn at that point. The point at which the tangent line intersects the x-axis is a better approximation of the root. The procedure is repeated until the desired level of accuracy is achieved.

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Find the exact value of cos 135° sin15°.

Answers

Answer:

its cos 50

Step-by-step explanation:

amen

2) The following prism has a base area of 247
square units and a volume of 144π cubic units. The
cylinder has the same base area and height. What is
the volume of the cylinder?

Answers

Answer:144n Cubic units

Step-by-step explanation:

The volume of a prism is given by V = Bh, where B is the area of the base and h is the height of the prism. The volume of a cylinder is given by V = πr^2h, where r is the radius of the cylinder and h is its height. Since the prism and the cylinder have the same base area, we know that B = 247 square units for both shapes. We are given that the volume of the prism is 144π cubic units. We can use this information to solve for the height of the prism:

V = Bh

144π = 247h

h = 144π/247

Now we can use the height of the prism to find the radius of the cylinder, since the height of the cylinder is the same:

V = πr^2h

V = πr^2(144π/247)

V = (144π^2/247)r^2

We can now solve for the volume of the cylinder by substituting the given value of the prism's volume and solving for r^2:

144π = (144π^2/247)r^2

r^2 = 247/π

Finally, we can use this value of r^2 to find the volume of the cylinder:

V = πr^2h

V = π(247/π)(144π/247)

V = 144π

Therefore, the volume of the cylinder is 144π cubic units.

5326781902938w7467281p9983746t5edsnhm,kwleor897tdbn

Answers

Answer:

huhhhhh ?????// thanks for the points but what words did u mean to say /???//

Step-by-step explanation:

There is a 20% sale on in Topshop. The bag I want is now £60. What was the original cost of my bag?

Answers

Answer:

£75

Step-by-step explanation:

Current value= 80

previous value= 100

current value 1

previous value = 100/80

current value-  £60

previous value 100x60/80

=6000/80

= £75

plz  mark me as brainliest.

I think 75 is the right ans

PLEASE HELP ME!!!!!!

Answers

Answer:

a4 = 5/9

Step-by-step explanation:

a1 = 15 , r = 1/3

, a4 =?

Explanation:

To find a4 we use formula

an = a1 · r

n−1

In this example we have a1 = 15 , r = 1/3

, n = 4. After substituting these values to above

formula, we obtain:

an = a1 · r

n−1

a4 = 15 ·

1

3

4−1

a4 = 15 ·

1

27

a4 =

5

9

uppose that 1 out of 50 cards in a scratchand-win promotion gives a prize. a) What is the probability of winning on your fourth try? b) What is the probability of winning within your first four tries? c) What is the expected number of cards you would have to try before winning

Answers

(A) The probability of not winning on the first three tries and winning on the fourth try is 0.000196. (B) The probability of winning within the first four tries is 0.0392 or 3.92%. (C) The expected number of cards you would have to try before winning is 50.

(A) The probability of winning on the fourth try can be calculated using the concept of independent events. Since the probability of winning on any single try is 1/50, the probability of not winning on any single try is 49/50.

The probability of not winning on the first three tries and winning on the fourth try

= (49/50) × (49/50) × (49/50) × (1/50)

= 0.000196

or 0.0196%.

(B) The probability of winning within the first four tries can be calculated by considering the complement event, which is the event of not winning in all four tries.

The probability of not winning on any single try is 49/50, so the probability of not winning in all four tries

= (49/50) * (49/50) * (49/50) * (49/50)

= 0.9608

or 96.08%.

Therefore, the probability of winning within the first four tries

=  1 - 0.9608
= 0.0392

or 3.92%.

(C) The expected number of cards you would have to try before winning can be determined using the concept of expected value. The probability of winning on any single try is 1/50.

Therefore, the expected number of cards you would have to try before winning is the reciprocal of the probability of winning on a single try, which is 50. Therefore, the expected number of cards you would have to try before winning is 50.

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A dataset contains 200 observations of y vs x where: Sx = 1.09 S = 36.552 bo = 42.59 b1 = -3.835 xbar = 9.937 SST = 3618.648. a. Find rx,y, R2, Sb1, Se, SSR, SSE, MSE. b. Construct a 99% Confidence Interval for Beta1. a) gray box approach is the most appropriate approach in testing web applications. briefly explain the difference between gray box approach with respect to black box and white box testing.b) List and describe two challenges in testing web applications that will not rise in application? The treasurer for Pittsburgh Iron Works wishes to use financial futures to hedge her interest rate exposure. She will sell five Treasury futures contracts at $107,000 per contract. It is July and the contracts must be closed out in December of this year. Long-term interest rates are currently 16.30 percent. If they increase to 17.50 percent, assume the value of the contracts will go down by 15 percent. Also, if interest rates do increase by 1.2 percent, assume the firm will have additional interest expense on its business loans and other commitments of $90,000. This expense, of course, will be separate from the futures contracts. a. What will be the profit or loss on the futures contract if interest rates increase to 17.50 percent by December when the contract is closed out? Profit on futures contracts b-1. After considering the hedging, what is the net cost to the firm of the increased interest expense of $90,000? Net cost 8 oints eBook Hint Print References Check my work b-1. After considering the hedging, what is the net cost to the firm of the increased interest expense of $90,000? Net cost b-2. What percent of this $90,000 cost did the treasurer effectively hedge away? (Input your answer as a percent rounded to 2 decimal places.) Percentage hedged away % c. Indicate whether there would be a profit or loss on the futures contracts if interest rates went down. Loss Profit one checks the ____ in the spss output to see if there is collinearity among the xs in the multiple regression model, Let Y be an exponentially distributed random variable with mean . Define a random variable X in the following way: X = k if k 1 Y < k for k = 1, 2, . . . .a Find P( X = k) for each k = 1, 2, . . . . 28 Selected financial information for Frank Corporation is presented below. Selected 2020 transactions are as follows: a. Purchased investment securities for $6,400 cash. b. Borrowed $17,800 on a two-year, 8 percent interest-bearing note. c. During 2020, sold machinery for its carrying amount, received $13,100 in cash. d. Purchased machinery for $52,800: paid $10,400 in cash and signed a four-year note payable to the dealer for $42.400. e. Declared and paid a cash dividend of $11.400 on December 31, 2020. Selected account balances at December 31, 2019 and 2020 are as follows: December 31 2020 2019 Cash $85,800 $22,400 Accounts receivable Inventory 18,400 12,700 53,400 62,800 8,400 12,800 Accounts payable Accrued wages payable 1,500 2,400 Income taxes payable 6,400 3,700 One-fourth of the sales and one-third of the purchases were made on credit. FRANK CORPORATION statement of Earnings For the Year Ended December 31, 2020. Sales revenue $428,000 cost of sales 282,000 Gross profit 146,000 Expenses Salaries and wages $52,400 Depreciation 10,600 Rent (no accruals) 7,200 A client with human immunodeficiency virus (hiv) infection gives birth to a neonate. when assessing the neonate, the nurse is most likely to detect: Corollary 2.12. The power set of the natural numbers isuncountable.Proof. [Write your proof here. Hint: Use Cantors Theorem.] A $2.00 decrease in a product's variable cost per unit accompanied by a $2.00 decrease in its selling price per unit will:A) increase the contribution margin per unitB) increase the total contribution marginC) increase the break-even volume.D) increase the operating leverageE) increase the contribution margin ratioF) decrease the contribution margin ratioG) will have no effect on the contribution margin ratio. Which mathematical concepts were the result of the work of Ren Descartes? Check all that apply. a. theory of an Earth-centered universeb. formula for the slope of a linec. Pythagorean theorem for a right triangled. problem solving by solving simpler parts first A machine has a first cost of 500.000 and a salvage value of 93.500 after n years. The book value at the end of 3rd year is calculated as 364.500 . Find the value of ""n""? a) Assuming that straight line depreciation method is used. b) Assuming that double declining balance depreciation method is used. c) A car has a first cost of 240.000 and a salvage value of 81.250 after 8 years. What is the depreciation in the 5th (D5=?) year if you switch between depreciation methods (start with double declining balance and switch to straight line when necessary)? (DDB formulas: Dt=dB(1 d)t-1 =dBVt-1 and BVt=B(1 d)t ) Circle correct choices from among Y, N, Proof, and Witness and provide below a proof or witness as the case may be: 1 (1) VXEN By EZ Y NPf W Why? 1 (ii) 3X EN Vy EZ (x-y=-) Y NPf W Why? 1 (iii) VXEN 3y (x+y=0) Y NPfw Why? 1 (iv) 3x EZ Vy EN VI Y N Pf W Why? 1 (v) 3x EZ 3y E Z +xy = Y NPFW Why? 5. What are Excel cell references by default?Relative referencesAbsolute referencesMixed referencesCell references must be assigned In MNO, m = 9 cm, n = 8.3 cm and O=35. Find N, to the nearest 10th of a degree. Which of the following is most likely an example of adjunctive behavior in humans that is commonly associated with periods of enforced waiting?a. Taking a showerb. Nail bitingc. Cryingd. Studying Given two independent random samples with the following results 17 20 188 155 14 Use this data to find the 80% confidence interval for the true difference between the population means. Assume that the population vacances are equal and that the two populations are normally distributed Copy Step 1 of 3: Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places? if auditors are appointed on january 3, 2014, the date of the financial statements is december 31, 2014, the date of the auditors' report is february 7, 2015 and the audit report release date is march 3, 2015, what is the appropriate date of the written representations? The likelihood of an investment newsletter's successfully predicting the direction of the market for four consecutive years by chance should begreater than 70%.between 25% and 50%.between 10% and 25%.between 6% and 10%.between 0% and 5% Newtons Law of Gravitation states:x'' = - (gR^2)/(x^2)where g = gravitational constant, R = radius of the Earth, and x = vertical distance travelled. This equation is used to determine the velocity needed to escape the Earth.Using chain rule, find the equation for the velocity of the projectile, v with respect to height x.Given that at a certain height xmax, the velocity is v = 0; find an inequality for the escape velocity. At an earthquake measuring station the waves that arrive first come at a speed of 4 km/s and the waves that come second arrive at a speed of 1 km/s. If the time delay between the two waves is 4 seconds. How far is the earthquake's epicenter from the measuring station (round the answer to two decimal places)?