Dooren can type 2 pages of her report in 5 minutes. At this rate, how many pages could she type in half an hour?

The area, lengths and dimensions of the plot of land and the situation picture are as follows;

a. 282.2 ft

b. 2330 ft²

c. 42.8 ft

Exercise 364

The true statements are;

The perimeter of ΔPQU is greater than 13 units

The perimeter of ΔPQR is 12 units

The area of ΔPST is 7.5 square units

The perimeter of a shape or figure is the length or distance of the edge boundary of the shape.

a. The perimeter of the plot of land, P, can be found as follows;

P = (70 - 0) + (60 - 0) + (80 - 0) + √((80 - 60)² + (0 - 70)²) ≈ 282.8

The perimeter of the fencing is approximately 282.8 feet

b. The shape of the plot of land is a trapezium

Area of the plot of land is therefore; A = 0.5 × (60 + 80) ×70 = 4900

The shape of the Parking Area is a trapezium, therefore;

Area of the Parking Area = 0.5 × ((49 - 8) + (60 - 8)) ×(70 - 50) = 930

The shape of the Warehouse is a square, therefore;

Area of the Warehouse = (49 - 8) × (50 - 10) = 1640

Area of the plot of land that does not include the warehouse and the parking area is therefore;

Required area = 4900 - (930 + 1640) = 2330

The area of the plot of land that does not include the warehouse and the parking area is 2330 ft²

c. The sum of the length of the legs of the parking area trapezoid, L, can be found as follows;

L = (70 - 50) + √((70 - 50)² + (60 - 49)²) ≈ 42.8

The total length of fence needed is about 42.8 ft

Exercise 364

The true statements are found as follows;

The perimeter of QRSTU = 3 + √(5² + 2²) + √(3² + 4²) + 4·√2 + √(5² + 2²) ≈ 24.43

The perimeter of QRSTU > 24

The area of ΔPRS  = 0.5 × 3 × 5 = 7.5

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C. The system has either no solution or infinitely many solutions, depending on the y-intercepts

what is linear equation?

An equation is said to be linear if the maximum power of the variable is consistently 1. Another name for it is a one-degree equation. A linear equation with one variable has the conventional form Ax + B = 0. In this case, the variables x and A are variables, while B is a constant. A linear equation with two variables has the conventional form Ax + By = C. Here, the variables x and y, the coefficients A and B, and the constant C are all present.

If the slopes of both lines are same then the lines are parallel. Now, both the equations can represent same line or two different lines. If the equations represent the same line, then they are coincident and have infinite number of solutions, else if the equations represent two different lines with same slope then they are parallel and hence will never intersect, and therefore won't have any solution

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The system has either no solution or infinitely many solutions, depending on the y-intercepts

If the slopes of both lines are same then the lines are parallel. Now, both the equations can represent same line or two different lines. If the equations represent the same line, then they are coincident and have infinite number of solutions, else if the equations represent two different lines with same slope then they are parallel and hence will never intersect, and therefore won't have any solution

The required number of small prism that would be fill in the large prism is given as 6

As mentioned in the question, a large rectangular prism is 12 inches long, 9 inches wide, and 6 inches tall. A small rectangular prism is also 12 inches long, but it's only 3 inches wide and 3 inches tall.

Here,
The volume of the large prism = 12 × 9 × 6
                                              = 648 inches cube
The volume of the small prism = 12 × 3 × 3
                                              = 108 inches cube,

The ratio of the volume of the large prism to a small prism will give the number of small prisms needed to fill the large prism. So,
n = 648 / 108  = 6 / 1

Thus, the required number of small prism that would be filled in the large prism is given as 6.

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The quantity of bowls of soup are left in the pot aftee serving her family is 16 cups

Convert quarts to cups:

Total quantity of soup served = Number of people in Kimberly's family × Volume of bowl

= 4 × 2

= 8 cups

Quantity of bowls of soup are left in the pot = Quantity of chicken noodle soup made - Total quantity of soup served

= 24 cups - 8 cups

= 16 cups

In conclusion, 16 cups of soup are left in the pot after serving.

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Answer:

45

Step-by-step explanation:

15(3) = 45

Answer: D

Step-by-step explanation:

Answer:

t = 7/9 * 9 + 7/9 * 7 = 14 hours

Step-by-step explanation:

Answer:

61 degrees

Step-by-step explanation:

sum of all angles of a triangle is 180 degrees

82+37+x=180

119+x=180

-119.  -119

x=61

hopes this helps

180 Degrees

[tex]37+82+x=180[/tex]

[tex]119+x=180[/tex]

[tex]x+119=180[/tex]

Subtract 119 from both sides:

[tex]x+119-119=180-119[/tex]

[tex]\fbox{x = 61}[/tex]

The z-score such that the area under standard normal curve to its left is 0.2 is found as -0.84.

A mathematical table known as the Z table, also known as the Z-score table or the standard normal table, is used to determine the likelihood that the z-score number is below, above, or in between the values just on standard normal distribution.

For the stated question,

You simply need to discover the location of 0.2 on the z-score table and then its z-score. (The area to the left of a z-score is shown in the table)

Our z-score is -(0.8 + 0.04) =  - 0.84 as a result.

Thus, the z-score such that the area under the standard normal curve to its left is 0.2 is found as -0.84.

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Answer:

250 / 50 = 5

300 / 50 = 6

Step-by-step explanation:

The greatest common factor of 250 and 300 is 50

The greatest common factor is the greatest factor that divides both numbers. To find the greatest common factor, first list the prime factors of each number.

Given here: The numbers as 250 and 350

Steps to find GCF

Find the prime factorization of 250

250 = 2 × 5 × 5 × 5

Find the prime factorization of 300

300 = 2 × 2 × 3 × 5 × 5

To find the GCF, multiply all the prime factors common to both numbers

Hence, GCF = 2 × 5 × 5  GCF = 50

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The Volume of the given figure is 264 cubic units

What is Volume?

Volume is a measurement of three-dimensional space that is occupied. It is frequently mathematically quantified using SI-derived units or different imperial or US customary units. The concept of length is linked to the definition of volume.

Solution:

Volume of Cuboid = Length * Breadth * Height

Volume of Cuboid 1 = 8*5*5 = 200 cubic units

Volume of Cuboid 2 = 8*8*1 = 64 cubic units

Total Volume = 200 + 64 = 264 cubic units

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Answer:

You had it right, now all you have to do it add 18 and 30 and 4 and 3 and you should get your answer, than you take the answer and write 48r+7w=55rw

Step-by-step explanation:

I added 18, 30, 4, and 3. I got 48 for the 18 and 30 and 7 for the 4 and 3

The expression that is equivalent to 5.8 ÷ 1.15 is 580 ÷ 115

Equivalent expressions are expressions that have equal values when compared

From the question, we have the following parameters that can be used in our computation:

5.8 ÷ 1.15

Divide both sides of the equation by 1/10

So, we have the following representation

5.8 ÷ 1.15 = 5.8/(1/10) ÷ 1.15/(1/10)

Evaluate the quotients

So, we have the following representation

5.8 ÷ 1.15 = 58 ÷ 11.5

Multiply both sides of the equation by 10

So, we have the following representation

5.8 ÷ 1.15 = 580 ÷ 115

Hence, the equivalent equation is 580 ÷ 115

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The equation that has the same solution as − 16 ⁢p + 37 = 49 − 21 ⁢p is (3/2)p - 5 + (9/4)p = 7 - (5/4)p thus option (C) is correct.

There are many different ways to define an equation. The definition of an equation in algebra is a mathematical statement that demonstrates the equality of 2 mathematical expressions.

More than one variable may be present inside a linear equation.

As per the given equation,

− 16 ⁢p + 37 = 49 − 21 ⁢p

-16p + 21p = 49 - 37

5p = 12

p = 12/5 = 2.4

In the equation,(3/2)p - 5 + (9/4)p = 7 - (5/4)p

(3/2)p + (9/4)p + (5/4)p = 7 + 5

5p = 12

p = 2.4

Hence "The equation (3/2)p - 5 + (9/4)p = 7 - (5/4)p has the same solution as  − 16 ⁢p + 37 = 49 − 21 ⁢p ".

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1. The statement is false, as the differential equation is of the second order but it is nonlinear.

2. The statement is false, as the differential equation is linear.

3. The third statement is correct, as the differential equation is of the fourth order and nonlinear.

Regarding to linearity, the differential equations are classified as follows:

Regarding the order, it is given by the order of the highest derivative in the differential equation.

For question 1, the differential equation y''y + (y')² = sin(x) is in fact of the second order, as the highest derivative is y'' (second derivative), but it is nonlinear, due to the multiplication of y by y''.

Hence the differential equation for question 2 is linear, as the multipliers to the derivatives are of x and -1, neither of which contains the variable y.

For question 3, we have that:

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The function f(x) is translated by 4 units down to form a function g(x) will be written below.

[tex]g(x) = 8 \times \left (\dfrac{1}{4} \right )^{3x} - 8\\[/tex]

A function is an assertion, concept, or principle that establishes an association between two variables. Functions may be found throughout mathematics and are essential for the development of significant links.

The function is given below.

[tex]f(x) = 8 \times \left (\dfrac{1}{4} \right )^{x^3} - 4[/tex]

Simplify the equation, then we have

[tex]f(x) = 8 \times \left (\dfrac{1}{4} \right )^{x^3} - 4\\\\\\f(x) = 8 \times \left (\dfrac{1}{4} \right )^{3x} - 4[/tex]

The function f(x) is translated by 4 units down to form a function g(x) will be given as,

[tex]g(x) = 8 \times \left (\dfrac{1}{4} \right )^{3x} - 4-4\\\\\\g(x) = 8 \times \left (\dfrac{1}{4} \right )^{3x} - 8[/tex]

The function f(x) is translated by 4 units down to form a function g(x) will be [tex]g(x) = 8 \times \left (\dfrac{1}{4} \right )^{3x} - 8\\[/tex]. The graph is drawn below.

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Answer:

A a option is right because cause 3 is near to zero that's value one and y 3.5 x 1near equal to 3 something

The equation of a parabola that opens up and has a vertex at (7,7) can be written in the form

The focal diameter of the parabola is 16, which means that the distance from the vertex to the focus is 8 (since the focal diameter is the sum of the distances from the vertex to the focus and from the vertex to the directrix).

To find the equation of the parabola, we need to determine the value of a that will give us the correct focal diameter. The distance from the vertex to the focus is given by the equation sqrt(4a(y - 7)), so we can set this equal to 8 and solve for a:

sqrt(4a(y - 7)) = 8

4a(y - 7) = 64

a(y - 7) = 16

a = 16 / (y - 7)

Substituting this value of a back into the equation for the parabola gives us:

y = (16 / (y - 7))(x - 7)^2 + 7

This is the equation of the parabola that opens up, has a vertex at (7,7), and a focal diameter of 16.

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Answer:

6 marbles per bag

Step-by-step explanation:

42 marbles * 1 bag / 7 bags =

42 * 1/7 =

42/7 = 6 marbles per bag

1 bag represents each bag of the 7 total bags.

Multiply 1 bag / 7 bags with 42 marbles(total amount of marbles) to get the marbles in EACH bag.

Answer:

let x = marbles in a bag

x = 42/7

x = 6

(6) + (6) + (6) + (6) + (6) + (6) + (6)

This is 7 bags, total of 42 marbles

this is my own explanation moderator, please dont delete just because its almost the same with previous answer. well its because its the only way to solve it hehe but i add another explanation, i really dont want to get warnings for this kind of questions you knoww..

Step-by-step explanation:

If i were a doctor, the person I would treat immediately is; Kundaval because he has higher heart rate and larger projected deviation.

We are given that;

Sum of heart rates taken 5 times for Kundaval = 400

Sum of heart rates taken 5 times for Kulazhi = 360

Projected deviation for Kundaval = 3.16

Projected deviation for Kulazhi = 2.0

Now, mean simply means the average of a set of given data while standard deviation is defined as a measure of how dispersed the data is in relation to the mean.

Thus, as a doctor, I would prioritize the treatment of the patient that has higher heart rate and larger projected deviation. Thus, we would conclude that Kundaval, whose sum of heart rate readings is 400 and whose projected deviation is 3.16 would be the one that should be treated first.

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The study of data collection, analysis, presentation, and interpretation is known as statistics.

Given,

What is statistics?

Data collection, analysis, presentation, and interpretation are all part of the science of statistics. Much of the early motivation for the subject of statistics came from governmental needs for information on a variety of economic activity and census data.

Types of statistics;

Based on the characteristics, the various statistical kinds are divided: Statistics that are descriptive and inferential. We analyze and understand data based on how it is presented, such as using pie charts, bar graphs, or tables.

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The regression line is yˆ = 4 + 1.891x , the coefficient of determination of two variables or the fraction of the variation in y that can be explained by the variation in the values of x is 0.51..

Here the fitted regression equation of y on x is

yˆ = 4 + 1.891x ---(*)

where, x --> Independent variable

yˆ --> predicted value of the dependent variable

Now, b₁ = slope cofficient = 1.891 ~ 1.91

(estimated from least squares method)

We have given that,

Standard deviations for X = 1.34 = sₓ say

Standard deviations for Y = 3.6 = sᵧ say

we know, b₁ = r₀( sₓ/sᵧ ) where ro is corr(X,Y)

=> 1.91 = r₀ (3.6/1.34)

=> 1.91×1.34/ 3.6 = r₀

=> r₀ = 0.71944

Defining, R² = cofficient of determination of two variables = Proportion of variation in Y , explained by the variation in the value of X, through the regression model.

= (r₀)² = (0.71944)² = 0.505442

R² = 0.505442 ~ 0.51 (in two decimals)

Hence, the cofficient of determination is 0.51..

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Complete question:

Using your favorite statistics software package, you generate a scatter plot which displays a linear form. You find a regression equation and the standard deviation for both variables. The standard deviation for x is 1.34 , and the standard deviation for y is 3.6 . The regression equation is reported as y = 4 + 1.891x . What fraction of the variation in y can be explained by the variation in the values of x? (Enter your answer as a decimal between 1 and 2.)

Answer:

(y2-y1)/(x2/x1)

Step-by-step explanation:

Well uh I hope you get it

Set

that

x acres.

wood to

then

2x

are

used

to grow

and 6x acres. are

used

to grow barley.

and

16x

acres

Ore

used

to

grow

where.

§ set up

riddles

according

to quation

x +

2x

+6

x

+ 16x

=

270

{total oven is

270

acres?

252

=270

x = 10.8

solve

equersion

for 23

So

10.8

acnes

are

used

to

grow

pumpkins.

Answer:

5 1/12 hours

Step-by-step explanation:

You need a common denominator and that would be 12

1 [tex]\frac{9}{12}[/tex]       ([tex]\frac{3}{4}[/tex] x [tex]\frac{3}{3}[/tex]) another name for [tex]\frac{3}{3}[/tex] is 1.  You are making an equivalent fraction

2 [tex]\frac{6}{12}[/tex]      ([tex]\frac{1}{2}[/tex] x [tex]\frac{6}{6}[/tex])

[tex]\frac{10}{12}[/tex]          ([tex]\frac{5}{6}[/tex] x [tex]\frac{2}{2}[/tex])

1 [tex]\frac{9}{12}[/tex] + 2 [tex]\frac{6}{12}[/tex] + [tex]\frac{10}{12}[/tex] = 3 [tex]\frac{25}{12}[/tex]

I can break [tex]\frac{25}{12}[/tex] into [tex]\frac{12}{12}[/tex] + [tex]\frac{12}{12}[/tex] + [tex]\frac{1}{12}[/tex]  Another name for [tex]\frac{12}{12}[/tex] is 1

3 + 1 + 1 + [tex]\frac{1}{12}[/tex]

5 [tex]\frac{1}{12}[/tex]

The powers is 5 - 1/2³.

Exponents and powers can be used to represent extremely big or extremely small numbers in a more straightforward fashion.

The number of times a number has been multiplied by itself is referred to as an exponent.

Given:

(5 - [tex]2^{-3}[/tex])

As, we know that

[tex]a^{-m[/tex] = 1/ [tex]a^m[/tex]

Then, (5 - [tex]2^{-3}[/tex])

= 5 - 1/2³

= 5-1/8

= 40-1/8

= 39/8

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The Translation of attached question is

Make the following powers

Answer:

76 [tex]ft^{2}[/tex]

Step-by-step explanation:

We are looking for the area of the walkway.

Area = length times width.

We know the length, we need to find the width.

Perimeter is the distance around the rectangle.  It is two length and two widths.

p = 2l + 2w

80 = 2(38) + 2W

80 = 76 + 2W  Subtract 76 from both sides.

80 - 76 = 76 - 76 + 2w

4 = 2w Divide both sides by 2

[tex]\frac{4}{2}[/tex] = [tex]\frac{2w}{2}[/tex]

2 = w

Now that we know the width we can find the area

a = 38 x 2

a = 76 [tex]ft^{2}[/tex]

Answer:

Length=38 ft

breadth=?

Perimeter=80 ft

we know,

Perimeter= 2(length+breadth)

or,80ft=2(38 ft + breadth)

or,40 ft=38ft + breadth

or,breadth=40 ft-38 ft

:. breadth=2 ft

Now,

Area of walkway= length ×breadth

=38 ft×2 ft=76 ft²

Hence,72 square feet of gravel is required to cover the entire walkway.

The slope equation is:  [tex]\frac{y_2 - y_1}{x_2 - x_1}[/tex].

The slope of the points (0, 2) and (1, -3) is: -5

The slope of the points (-5, -8) and (10, 12): 4/3

First graph: m = 1

Second graph: m = -2/3.

The slope of a line is calculated using the formula below:

Slope (m) = rise/run = change in y / change in x = [tex]\frac{y_2 - y_1}{x_2 - x_1}[/tex]

Therefore, the equation of the slope is expressed as:  [tex]\frac{y_2 - y_1}{x_2 - x_1}[/tex].

Find the slope of the points (0, 2) and (1, -3):

m = change in y / change in x = (-3 - 2) / (1 - 0)

m = -5/1

Slope (m) = -5

Find the slope of the points (-5, -8) and (10, 12):

Slope (m) = (12 -(-8)) / (10 - (-5))

m = 20/15

m = 4/3

Find the slope of the first graph:

Slope (m) = rise/run = 1/1

m = 1

The slope of the second graph = rise/run = -2/3.

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The required solutions for each of the questions are obtained as 29 units, 235.2 cubic yards and y axis respectively.

The distance formula in coordinate geometry is used to find the distance between two points  whose coordinates are given as (x₁, y₁) and (x₂, y₂) as √((x₁ - x₂)^2 + (y₁ - y₂)^2).

By knowing the sides, the area of different polygons can be found.

(1) The vertical distance between points (5, –12) and (5, 17) is given by distance formula as below,

√((5 - 5)² + (-12 - 17)²) = 17

(2) The volume of the rectangular prism is given as,

Volume = Area of base × Height of the prism

             = 14(¹/₅) × 7 × 8

              = 21/5 × 56 = 235.2

(3) The given points are (–7, 6) and (7, 6).

It is clear that after reflection y coordinate does not change.

Which implies that the axis of symmetry is y axis.

Thus, the axis of reflection is y axis.

Hence, the vertical distance between points, the volume of the prism and  the axis of reflection are 29 units, 235.2 cubic yards and y axis respectively.

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