The area of a rectangular dog pen is 8 1/2 square feet. If the width is 3 2/5 feet, what is the length ,in feet ?

Answers

Answer 1

Answer:

2 1/2 ft

Step-by-step explanation:

Area is given by the formula

A = l*w

We know the area is 8 1/2  

Changing this to an improper fraction  8 1/2 = (2*8 +1)/2 = 17/2

The width is 3 2/5  as an improper fraction  = (5*3+2)/5 = 17/5

A = l*w

17/2 = l* 17/5

Multiply each side by 5/17

17/2 * 5/17 = l* 17/5 * 5/17

5/2 = l

2 1/2 = l


Answer 2
Since area is length times width, you can divide 8 1/2 by 3 2/5 to get the length. 8.5/3.2=2.65625 feet

Related Questions

Please help me on #2! Could you also check the other numbers! Thank you so much!

Answers

Dani is correct. The equation can be written as y = 3x+50, which is a linear equation in the form y = mx+b. We have m = 3 as the slope and b = 50 as the y intercept

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

x is the number of square feet, y is the total cost in dollars

3*x or 3x repesents multiplying the cost per square foot ($3) by the number of square feet (x). For example, if you have 10 sq ft, then so far the cost would be 3*x = 3*10 = 30 dollars.

This result is then added to 50 to get the total cost. We say that 3x is the variable cost, as it changes or varies depending on how large x gets. Additionally, the 50 is the fixed cost because this cost stays the same no matter what x is

total cost = variable cost + fixed cost

y = 3x + 50

Evaluate the following expressions giving the functions g(x)= -4x+3
g(10) is the expression

Answers

Answer:

g(10) = -37

Step-by-step explanation:

g(x)= -4x+3

g(1) means evaluate when x=10

g(10) = -4*10 +3

g(10) = -4*10 +3

g(10) = -40+3

g(10) = -37

out of 40 chocolates, ram and i shared in the ratio 1:3 . how many chocolates did ram get?

Answers

so ram had 10 chocolates and i had 30 chocolates

because 1:3= 10:30
=> 4= 40

Answer:

Ram will get 10 chocolates

Step-by-step explanation:

It the chocolates are shared in the ratio of 1 to 3 then the total is 4

Ram : I

1:3  

1+ 3 = total

1+ 3 =4

Our total is 40, but the ratio stays the same, we just add the variable x to the 1 and the 3

1x+ 3x =40

Combine like terms.

4x = 40

Divide each side by 4

4x/4 = 40/4

x =10

So ram will get 1 * 10 = 10 and you will get 3 * 10 = 30

Which question shows the quadratic fomula used correctly to solve 7x^2=9+x for x

Answers

Answer:

x = [tex]\frac{-b\pm\sqrt{b^{2}-4ac} }{2a}[/tex]

Step-by-step explanation:

We have

7x²=9+x

Subtracting x from both sides, we get

7x²-x=9+x-x

Cancelling out +x and -x from the right side, we get

7x²-x=9

Subtracting 9 from both sides, we get

7x²-x-9=9-9

Cancelling out 9 and -9 from the right side, we have

7x²-x-9 = 0

The above equation is in the form ax²+bx+c=0 where upon comparing we get a= 7 , b = -1 and c= -9

We can solve for x using the below quadratic formula:-

x = [tex]\frac{-b\pm\sqrt{b^{2}-4ac} }{2a}[/tex]

Upon solving we'll get two values for x, one positive an the other negative.

REBECA HAD 9/10 OF A YARDOF RIBBON. THEN SHE GAVE 7/20 OF A YARD OF FRIEND. HOW MUCH DOES SHE HAVE LEFT?

Answers

Answer:

She has 11/20 yds left

Step-by-step explanation:

We take what she had and subtract what she gave away

9/10 - 7/20

We need to get a common denominator of 20

9/10 *2/2 - 7/20

18/20 - 7/20

11/20

She has 11/20 yds left

4,839 sq. yd. 8 sq. ft.139 sq. in.+ 7 sq. ft. 124 sq. in

Answers

The Mathematics problem involves adding areas in different units and converting them appropriately. After conversion and addition, the correct answer from the options provided is 1 acre, 7 square feet, and 119 square inches: (a) 1a 7 sqft 119 sqin.

The subject of this question is Mathematics, specifically dealing with area measurements in different units and their conversions. The student needs to solve an addition problem that involves square yards, square feet, and square inches. To solve this problem, we must first understand that there are 9 square feet in one square yard, and we use this knowledge to convert all measurements to the same unit before summing them up.

To answer the student's question, we must add the areas given in the problem:

4,839 sq yd 8 sq ft 139 sq in7 sq ft 124 sq in

First, we convert square yards to square feet using the conversion 1 sq yd = 9 sq ft:

4,839 sq yd = 4,839 × 9 sq ft = 43,551 sq ft

Now we add the square feet:

43,551 sq ft + 8 sq ft + 7 sq ft = 43,566 sq ft

Lastly, we add the square inches:

139 sq in + 124 sq in = 263 sq in

Since there are 144 square inches in one square foot, we must convert the excess square inches into square feet and square inches:

263 sq in = 1 sq ft (144 sq in) + 119 sq in

Adding the converted square inches to the total square feet:

43,566 sq ft + 1 sq ft = 43,567 sq ft 119 sq in

Next, we convert the total square feet to acres, understanding that 1 acre = 4,840 sq yd or approximately = 43,560 sq ft.

43,567 sq ft ÷ 43,560 sq ft per acre ≈ 1 acre 7 sq ft 119 sq in

Thus, the correct answer is (a) 1a 7 sqft 119 sqin.

Complete question is here:

Solve the following problem 4,839 sq yd 8 sq ft 139 sq in + 7 sq ft 124 sq in Select one of four

a)1a 7 sqft 119 sqin

b)4a 10 sqft 145 sqin

c)3a B sqft 130 sqin

d)2a 9 sqft 150 sqin

Final answer:

The question asks for the addition of different area units, which requires unit conversion. Square yards are converted to square feet and then to square inches, ensuring all areas are in the same units before adding them together.

Explanation:

The question involves adding areas measured in different units (square yards, square feet, and square inches) and converting between these units. To perform the calculation correctly, we need to convert all areas to the same unit. One square yard is equivalent to 9 square feet, and one square foot is equivalent to 144 square inches. Thus, to add the areas given in the question, we should first convert the 8 sq. ft. 139 sq. in. to sq. in. by multiplying 8 by 144 and then adding 139. After that, we would need to convert this total area into square yards if required. For the second part, we convert 7 sq. ft. 124 sq. in. to square inches similarly. Once both areas are in square inches, they can be added together. Additionally, it's important to remember that there is no direct conversion between square inches and square yards, so a two-step conversion is needed via square feet.

Solve for a. m=a/9-H

Answers

Answer:

9(m+H) = a

Step-by-step explanation:

m=a/9-H

The first step is to add H to each side.

m+H = a/9 -H+H

m+H = a/9

Now multiply both side by 9

9(m+H) = a/9*9

9(m+H) = a



Rewrite the equation x^2-4x+9=5 in the form (x-p)^2=q

Answers

Answer:

(x - 2)² = 0

Step-by-step explanation:

given x² - 4x + 9 = 5 ( subtract 5 from both sides )

x² - 4x + 4 = 0

This is a perfect square of the form

(x - a)² = x² - 2a + a²

compare coefficients of the x-term

- 2a = - 4 ⇒ a = 2

⇒ (x - 2)² = 0 ← is the required form


What is the value of the expression? −29−(−13÷3/5) Enter your answer, as a fraction in simplest form, in the box.

Answers

Answer:

-71/15

Step-by-step explanation:

Order of operations rules require that we do any work enclosed in parentheses first.  Thus, we must evaluate -13÷3/5.  Multiplication and division can be done in either order, but for the sake of consistency, move from left to right:

-13÷3 comes out to -13/3.  Divide this result by 5, obtaining -13/15.

Then the original expression, −29−(−13÷3/5), becomes -29-(-13/15), or

-29 + 13/15.

Since -29 is negative and + 13/15 is positive, we must add 13/15 to -29:

-29

+13/15

----------


This is easily done if we rewrite -29 as -28 - 15/15.

Then we have:

-28 - 15/15 +13/15, which simplifies to -28 - 2/15, or -28 2/15.


As a single fraction, that would be -71/15.

If a polygon is a square, then all 4 angles are right. If all 4 angles of a polygon are right, then it is a rectangle.

Answers

the main difference between a square and a rectangle is that a square has all sides of equal length, while a rectangle has opposite sides of equal length and adjacent sides of different lengths.

What is a polygon?

In Mathematics, a polygon can be defined as a two-dimensional geometric figure that consists of straight line segments and a finite number of sides. Additionally, some examples of a polygon include the following:

• Triangle

• Quadrilateral

• Pentagon

• Hexagon

• Heptagon

• Octagon

• Nonagon

Given, a polygon is a square, then all 4 angles are right. If all 4 angles of a polygon are right, then it is a rectangle.

A square is a special case of a rectangle where all four sides are of equal length. So, a square is a rectangle with all right angles and all sides of equal length.

On the other hand, a rectangle is a four-sided polygon with all four interior angles equal to 90 degrees.

However, in a rectangle, the opposite sides are parallel, and the adjacent sides are of different lengths.

In summary, the main difference between a square and a rectangle is that a square has all sides of equal length, while a rectangle has opposite sides of equal length and adjacent sides of different lengths.

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Complete question:

If a polygon is a square, then all 4 angles are right. If all 4 angles of a polygon are right, then it is a rectangle. what is the difference between a square and a rectangle?

Round all answer to the nearest tenth.
1. Vince wants to make a square patio in his yard. He has enough concrete to pave an area of 130 square feet. How long can a side of his patio be?

Answers

Answer:

Using the formula to calculate the area of a square, the side of the patio can be 11.4 ft.

Step-by-step explanation:

Square patio

Area: A=130 square feet= 130 ft^2

Side of the square: s=?

The formula to calculate the area of a square is:

A = s^2

Replacing A by 130 ft^2

130 ft^2 = s^2

Solving for s: Square root both sides of the equation above:

sqrt(130 ft^2) = sqrt(s^2)

11.40175425 ft = s

s = 11.40175425

Rounding to the nearest tenth:

s = 11.4 ft

To find the side length of a square given the area, take the square root of the area. So, the sides of Vince's patio will be approximately 11.4 feet long.

A square root is a mathematical operation that determines the value that, when multiplied by itself, equals a given number. It is denoted by the radical symbol (√). For example, the square root of 25 is 5, as 5 * 5 equals 25. Square roots are essential in various fields, including geometry, physics, and engineering, where they help calculate dimensions, solve equations, and analyze data. Square roots can be both real (positive or negative) and complex, depending on the input number.

To solve this problem, you need to understand that a square has four equal sides. The area of a square is calculated by squaring the length of one of its sides. So if we know the area, we can find the side length by taking the square root of the area.

Since Vince's area is 130 square feet, we calculate the square root of 130 which is approximately 11.4. Therefore, Vince can make each side of his patio 11.4 feet long, rounded to the nearest tenth.

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9ab over 27b = simplify
9ab
___
27b

Answers

Answer:

1A/3 OR 1/3A

Step-by-step explanation:


a cylinder has diameter of 10 cm and a height of 20 cm what is the volume of the cylinder

Answers

Answer:

V = 1570.796327  cm^3

Step-by-step explanation:

V= pi *r^2h


diameter = 2 * radius

10 = 2r

r = 5


substitute in what we know

V = pi *( 5^2) * 20

V = pi * 25 * 20

V = pi *500

V = 1570.796327  cm^3


Answer:


Step-by-step explanation:

Surface Area of circle on top of cylinder:

= πr²

= π(d÷2)²

= π(10÷2)²

= π(5)²

= 25π

Volume of Cylinder:

= 25π × h

= 25π × 20

= 500π

= 1570.8 cm³ (to 1 decimal place)

equation is equal to .66...?

a)1/3

b)1/5

c)2/3

d)2/4

Answers

I think c) 2/3 is correct
I think it's c hope it helps

Alexandra purchases two doughnuts and three cookies at a doughnut shop and is charged $3.30. Brianna purchases five doughnuts and two cookies at the same shop for $4.95. All the doughnuts and cookies have the same price. Find the cost of one doughnut and the cost of one cookie.

Answers

Answer:1 donut=$0.75 and 1 cookie=$0.6

let c be the cookie and d be the dougnut

2d +3c = 3.30 ---eq 1
5d+ 2c = 4.95 ---eq 2


The cost of one doughnut is $0.75 and the cost of one cookie is $0.60.

What is the solution to the equation?

The allocation of weights to the important variables that produce the calculation's optimum is referred to as a direct consequence.

Alexandra buys two doughnuts and three treats at a donut shop and is charged $3.30. Brianna buys five doughnuts and two treats at a similar shop for $4.95. Every one of the doughnuts and treats has a similar cost.

Assume 'x' is the cost of doughnuts and 'y' is the cost of one cookie. Then the equations are given as,

2x + 3y = 3.30         ...1

5x + 2y = 4.95        ...2

Multiply equation 1 by 5 and equation 2 by 2, then we have

10x + 15y = 16.50     ...3

10x + 4y = 9.90       ...4

Subtraction equation 2 from equation 1, then we have

15y - 4y = 16.50 - 9.90

11y = 6.60

y = $0.60

Then the value of 'x' is given as,

2x + 3(0.60) = 3.30

2x + 1.80 = 3.30

2x = $1.50

x = $0.75

The expense of one donut is $0.75 and the expense of one treat is $0.60.

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Find dy, dx if f(x) = (x + 8)3x. 3xln(x + 8) the product of the quantity 3 times the natural log of the quantity x plus 8 plus 3 times x divided by the quantity x plus 8, and the quantity x plus 8 raised to the 3x power 3 times the natural log of the quantity x plus 8 plus 3 times x divided by the quantity x plus 8 3x(x + 8)(3x − 1)

Answers

Answer:

[tex]\displaystyle \frac{dy}{dx} = 3(x + 8)^{3x} \bigg[ \ln (x+ 8) + \frac{x}{x + 8} \bigg][/tex]

General Formulas and Concepts:
Calculus

Differentiation

DerivativesDerivative Notation

Derivative Property [Multiplied Constant]:                                                          [tex]\displaystyle \frac{d}{dx} [cf(x)] = c \cdot f'(x)[/tex]

Derivative Property [Addition/Subtraction]:                                                        [tex]\displaystyle \frac{d}{dx}[f(x) + g(x)] = \frac{d}{dx}[f(x)] + \frac{d}{dx}[g(x)][/tex]

Derivative Rule [Basic Power Rule]:

f(x) = cxⁿf’(x) = c·nxⁿ⁻¹

Derivative Rule [Product Rule]:                                                                            [tex]\displaystyle \frac{d}{dx} [f(x)g(x)]=f'(x)g(x) + g'(x)f(x)[/tex]

Derivative Rule [Chain Rule]:                                                                               [tex]\displaystyle \frac{d}{dx}[f(g(x))] =f'(g(x)) \cdot g'(x)[/tex]

Step-by-step explanation:

Step 1: Define

Identify.

[tex]\displaystyle f(x) = (x + 8)^{3x}[/tex]

Step 2: Differentiate

Exponential Differentiation [Derivative Rule - Chain Rule]:                      [tex]\displaystyle \frac{dy}{dx} = (x + 8)^{3x} \frac{d}{dx} \bigg[ 3x \ln (x + 8) \bigg][/tex]Derivative Rule [Product Rule]:                                                                   [tex]\displaystyle \frac{dy}{dx} = (x + 8)^{3x} \bigg[ \frac{d}{dx}(3x) \ln (x + 8) + 3x \frac{d}{dx}[ \ln (x + 8)] \bigg][/tex]Rewrite [Derivative Property - Multiplied Constant]:                                 [tex]\displaystyle \frac{dy}{dx} = (x + 8)^{3x} \bigg[ 3 \frac{d}{dx}(x) \ln (x + 8) + 3x \frac{d}{dx}[ \ln (x + 8)] \bigg][/tex]Derivative Rule [Basic Power Rule]:                                                           [tex]\displaystyle \frac{dy}{dx} = (x + 8)^{3x} \bigg[ 3 \ln (x + 8) + 3x \frac{d}{dx}[ \ln (x + 8)] \bigg][/tex]Logarithmic Differentiation [Derivative Rule - Chain Rule]:                       [tex]\displaystyle \frac{dy}{dx} = (x + 8)^{3x} \bigg[ 3 \ln (x + 8) + \frac{3x}{x + 8} \frac{d}{dx} (x + 8) \bigg][/tex]Rewrite [Derivative Property - Addition/Subtraction]:                               [tex]\displaystyle \frac{dy}{dx} = (x + 8)^{3x} \bigg[ 3 \ln (x + 8) + \frac{3x}{x + 8} \Big[ \frac{d}{dx}(x) + \frac{d}{dx}(8) \Big] \bigg][/tex]Derivative Rule [Basic Power Rule]:                                                           [tex]\displaystyle \frac{dy}{dx} = (x + 8)^{3x} \bigg[ 3 \ln (x + 8) + \frac{3x}{x + 8} \bigg][/tex]Simplify:                                                                                                        [tex]\displaystyle \frac{dy}{dx} = 3(x + 8)^{3x} \bigg[ \ln (x+ 8) + \frac{x}{x + 8} \bigg][/tex]

∴ we have found the derivative of the given function.

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Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Differentiation

3(x-7)
[tex]3( \times - 7[/tex]

Answers

Answer:

3x-21

Step-by-step explanation:

We want to distribute the 3

3(x-7)

3*x -3*7

3x-21

Hi there!

Answer:

3x-21

Step-by-step explanation:

Distributive property: a(b+c)=ab+ac

A=3, B=x, C=7

First, you expand.

3x-3*7

3*x=3x

3*7=21

3x-21

Final answer is 3x-21

Hope this helps!

Have a nice day! :)

:D

-Charlie

Thank you! :)

:D


State whether each question below represents a proportional relationship. How can you tell?

a. y= x+ 2.3

b. y=6\13x

c. 7-y=2x

Answers

B and C’s equation has the form y=mx+b, where b=0. So, B and C represent a proportional relationship.
Final answer:

Among the given equations, only 'y = 6/13x' shows a proportional relationship because the ratio between x and y remains constant. The other two equations-'y = x + 2.3' and '7 - y = 2x' are not showing proportional relationships because the ratio between the variables doesn't remain constant.

Explanation:

A proportional relationship is one where the ratio between two variables remains constant. This relationship can be represented by the equation y = kx, where k is the constant of proportionality.

a) The equation y = x + 2.3 is not a proportional relationship because it involves an added constant. If x is zero, y is not zero, thus it's not proportional.

b) The equation y = 6/13x is a proportional relationship, because there is a direct proportion between x and y. If x is multiplied by a certain factor, y will be multiplied by the same factor, thus maintaining the ratio.

c) The equation 7 - y = 2x rearranges to y = 7 - 2x, which is not a proportional relationship. Again, if x is zero, y is not zero, thus it's not proportional.

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A construction worker has a rope that is 6 m long. She needs to cut it into pieces that are each 3/7 m long. How many such pieces can she cut without having any rope​ leftover?

Answers

Answer:

14 pieces

Step-by-step explanation:

We will divide 6 m into 3/7 m pieces

6 ÷ 3/7

Use copy dot flip

6 * 7/3 =

42/3

14

She will have 14 pieces

subtract 6 from 2, then add d to the result

Answers

Answer:

The answer would be (6-2) +d

Step-by-step explanation:

That is the answer because first you subtract 6 from 2. You dont have a choice. Simplified it would be 4+d. Please give me brainliest

ΔABC is similar to ΔDEF. The ratio of the perimeter of ΔABC to the perimeter of ΔDEF is 1 : 5. If the longest side of ΔDEF measures 15 units, what is the length of the longest side of ΔABC?

Answers

Answer:

The answer is 25 units

Step-by-step explanation:

Janelle babysat for 6 hours at an hourly rate.After she got paid she spent $12 at Walmart. She came home with $36. How much money did she make per hour?

Answers



the answer is 8$ dollars

By adding Janelle's spending to what she came home with and dividing by the hours worked, we find that she earned $8 per hour babysitting.

To find out how much Janelle made per hour babysitting, we need to add the money she spent at Walmart to the money she came home with.

This gives us the total amount she earned.

Since she spent $12 at Walmart and came home with $36, we add these two amounts together to get $48.

Janelle babysat for 6 hours, so to find out her hourly wage, we divide the total amount she earned ($48) by the number of hours she worked (6 hours).

= $48 / 6 hours = $8 per hour

Thus, Janelle earned $8 per hour for her babysitting.

The sum of the least and greatest of three consecutive integers is 50. What is the middle integer?

Answers

x + (x + 2) = 50

Combine like terms.

2x + 2 = 50

Subtract 2 from both sides.

2x = 48

Divide both sides by 2.

x = 24

Now that we have the value of x, we can find the value of the 2nd integer by adding 1 to the value of x.

24 + 1 = 25

The middle integer is equal to 25.

Which of these ordered pairs could you remove to make this relation a function? {(-2,1), (-1, -5), (-1,5), (0, -7), (2, 1)}
A. (-2, 1)
B. (-1, 5)
C. (0, -7)
D. (2, 1)

Answers

Your answer would be B. (-1,5).

In order for the order pairs to be a function. All of the x coordinates must be different from each other, they can't be the same. There can't be any repeats of the x coordinates. But for the y coordinates, it's okay for them to be the same. The reason why you would eliminate (-1,5) is because there are 2 -1 x coordinates, and that would not make the ordered pairs a function. When you remove them, none of the x coordinates are the same anymore, so it would now be a function.

Hope this helps out :)


Answer:

B. (-1,5).

Step-by-step explanation:

Which of these ordered pairs could you remove to make this relation a function? {(-2,1), (-1, -5), (-1,5), (0, -7), (2, 1)}

B. (-1, 5)

Solve for x and y
3x+y=6
x+y=2

Answers

3x+y=6

x+y=2

rewrite x + y = 2 as y = 2-x

Replace Y in the first equation with the re-written equation:


3x + 2-x = 6

Solve for x:

3x + 2-x = 6

subtract x:

2x +2 = 6

Subtract 2 from each side:

2x = 4

Divide both sides by 2:

x = 2


Now you have x, replace x with 2 in the second equation and solve for y:

x + y = 2

2 + y = 2

Subtract y 2 from each side:

y = 0


The answer is: X = 2, Y = 0

Find the circumference of each circle. Use 3.14 for the value of π . Round answer to the nearest tenth.

Answers

Answer:

[tex]C=9.4\pi[/tex] meters

Step-by-step explanation:

Recall to find the circumference of a circle the formula is [tex]C=\pi d[/tex] or [tex]C=2\pi r[/tex].

We start by substituting 4.7m for r in the second circumference formula.

[tex]C=2\pi r\\C=2\pi (4.7)\\C=9.4\pi [/tex]. We input this value of r into the area formula.


Answer:

its C.

Step-by-step explanation:

Which list of ordered pairs represents solutions to x + y = 2? (-4, 6), (0, 2), (4, 2); (-4, -6), (0, 2), (4, 2); (-4, 6), (0, 2), (4, -2)

Answers

Answer:

(-4, 6), (0, 2), (4, -2)

Step-by-step explanation:

x + y = 2?

(-4, 6),   -4+6 = 2    True  this is a solution

(0, 2),    0+2  = 2    True  this is a solution

(4, 2);    4+2 = 6    False  this is not a solution

This is not a solution set since we have a pair that is not a solution

(-4, -6),   -4+-6 = 10  False  this is not a solution.  We do not have to check the rest since this cannot be a solution set

(0, 2),

(4, 2);

This is not a solution set since we have a pair that is not a solution

(-4, 6),  -4 + 6 = 2  True  this is a solution

(0, 2), 0 + 2 =2   True  this is a solution

(4, -2)  4-2 =2   True  this is a solution

This is a solution set since all the points are a solution

Answer:

(-4,6), (0,2), (4,-2)

Step-by-step explanation:

If you substitute the ordered pairs in the equation and all three of the ordered pairs in the list equals to 2 that is the list that represents the solution

Triangle ABC is dilated by a scale factor of 4 to form triangle A′B′C′.

The coordinates of vertex A′ are?

The coordinates of vertex B′ are?

The coordinates of vertex C′ are?

Answers

vertex A' (-8,4)
vertex B' (-12,12)
vertex C' (-4,12)

Answer:

The correct answers would be

vertex A' (-8,4)

vertex B' (-12,12)

vertex C' (-4,12)

Step-by-step explanation:

I'm not 100% sure but I took this test a couple days ago and didn't do terribly:).

PLEASE HELP QUICK!!!!!!!!!!!!!!! 100 POINTS Please explain how to do this step by step. I'm super confused.

Look at the picture of a scaffold used to support construction workers. The height of the scaffold can be changed by adjusting two slanting rods, one of which, labeled PR, is shown:

A support structure is shown in which a right triangle PQR is formed with the right angle at Q. The length of PQ is shown as 14 feet, and the length of QR is shown as 6 feet..

Part A: What is the approximate length of rod PR? Round your answer to the nearest hundredth. Explain how you found your answer, stating the theorem you used. Show all your work. (5 points)

Part B: The length of rod PR is adjusted to 16 feet. If width PQ remains the same, what is the approximate new height QR of the scaffold? Round your answer to the nearest hundredth. Show all your work. (5 points)

Answers

Answer:

A: 15.23 ft, B: 7.75 ft

Step-by-step explanation:

A:

√(14² + 6²)

√(196 + 36)

√232 = 15.23

B:

√(16² - 14²)

√(256 - 196)

√60 = 7.75

NOTES:

Since Q is a right angle then PQ and QR are the legs and PR is the hypotenuse.  Use the Pythagorean Theorem to solve.

********************************************************************************

Part A Answer: PR = 15.23

Step-by-step explanation:

PQ² + QR² = PR²

6² + 14² = PR²

36 + 196 = PR²

    232    = PR²

     15.23 = PR

************************************************************************************

Part B Answer: PR = 7.75

Step-by-step explanation:

PQ² + QR² = PR²

PQ² + 14² = 16²

PQ² + 196 = 256

PQ² = 60

PQ = 7.75

Can someone help me with my math
−36+x<8

Answers

Answer:

x<44

Step-by-step explanation:


Answer:

x<-28

Step-by-step explanation:


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