I need some help, please...

Answer:

Step-by-step explanation:

a) Let the width = w

Two times its width = 2*w = 2w

9 inches less than 2w = 2w - 9

Length = 2w - 9

Area of rectangle = length *width = 180 square inches

(2w - 9 ) * w = 180

2w*w - 9*w = 180

2w² - 9w - 180 = 0

b) sum = -9

Product= -360

Factors  = -24 , 15    {15 *[-24] = -360 and 15 + (-24) = -9 }

2w² - 9w - 180 = 0

2w² - 24w + 15w - 180 = 0

2w(w - 12w) + 15(w - 12) = 0

(w -12) (2w + 15) = 0

{Ignore 2w + 15 = 0 as measurements cannot be a -ve value}

w - 12 = 0

w = 12 inches

l = 2w -9

 = 2*12 - 9

= 24 - 9

l = 15

length = 15 inches

Width = 12 inches

c) Perimeter = 2 *(length + width)

                     = 2*(15 + 12)

                     = 2 * 27

                     = 54  inches

Answer:

1. 108.375 2. 76.765625

Step-by-step explanation:

1. We have the s-value now, which is 4.25.

Plug it in to the equation for surface area:

6*(4.25)^2

6*4.25*4.25

Using a calculator, we get 108.375

2. Plug 4.25 in to the equation for volume:

(4.25)^3

4.25*4.25*4.25

Using a calculator, we get 76.765625

Answer: 52

Step-by-step explanation: 75 - 23 = 52, therefore, x = 52

Answer:

Part A:

Movie A) The median is greater

Movie B)  Ages are more consistent

Step-by-step explanation:

A) Movie A is less variable

Answer:

d

Step-by-step explanation:

because

Answer:

D

Step-by-step explanation:

# carry on learning pipols

Answer:

Is it c

Step-by-step explanation:

I hope this helps

Answer:

A

Step-by-step explanation:

πr^2

π * 15^2 = 706.858347

75 X 30 = 2250

706.858347 + 2250 = 2956.858347

The total area enclosed by the track is  2956.5 square meters

a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

The given figure has one rectangle and two semicircles

The area of rectangle is length times width

Area = length × width

=75×30

=2250 square metres

Area of circle is πr²/2

=3.14×15²/2

=706.5/2

=353.25

As there are two semicircles = 2×353.25

=706.5

Total area is 2250+706.5 which is 2956.5 square meters

Hence,  the total area enclosed by the track is  2956.5 square meters

To learn more on Three dimensional figure click:

https://brainly.com/question/2400003

#SPJ2

Answer:

64 times 7

Step-by-step explanation:

Answer:

64 times 7

Step-by-step explanation:

Please mark me as brainlist plzzzzzz

Answer: Your final answer is D.

Step-by-step explanation:

2a+5(b+7a)

=2a+5xb+5x7b

=2a+5b+35a

=37a+5b

Answer: A) The relationship is proportional because the ratio of m to k is constant.

______________________________________________________

Step-by-step explanation:

17.699 ÷ 11 = 1.609

41.834 ÷ 26 = 1.609

&

54.706 ÷ 34 = 1.609

______________________________________________________

The three equations above equal 1.609 making the relationship between m & k constant.

If you were to plot these coordinates on a graph you would see a straight line.

Answer:

A. 1/8, 4/32

Step-by-step explanation:

We have four pairs of ratios and are asked to find which pair equals the same amount.

To do so, we just need to see what ratio can multiply into both numbers equally into the first pair and forms the second pair.

A. 1/8, 4/32

1

:

8

1 * 4

:

8 * 4

4/32

B. 1/3, 12/45

1

:

3

1 * 12

:

3 * 12

12/36

C. 2/3, 10/18

2

:

3

2 * 5

:

3 * 5

10/15

D. 4/3, 16/9

4

:

3

4 * 4

:

3 * 4

16/12

Answer:

6

3/5

Step-by-step explanation:

The total of all books is 1.

For Fiction to be 3 times more than Biographies.

Biographies have to have same probability to be chosen as poetry.

So to solve for the probability to choose Fiction is 3 × 1/5 = 3/5

The number of fiction books is solved with 10 × 3/5 = 6

Answer:

17

Step-by-step explanation:

c = a^2 + b^2 = 15^2 + 8^2 = 17

Answer:

c

Step-by-step explanation:

Answer:

it would be

c

think about the term quotient it's in the vocabulary for division.

Answer:

Yes

Step-by-step explanation:

For example, 7/4 x 2/3=14/12=7/6. 7/6>1.

Answer:

It matters on the fraction! for example:

Ste

Step-by-step explanation:

The answer is 83.33% as 25 divides by 35 and multiplying 100 is the answer

Answer:

Please the attached file for the answer. I hope that helps

Answer:

320 kilometers

Step-by-step explanation:

You multiply 16 by 20 to get 320

Answer:

320 kilometers.

Step-by-step explanation:

Answer:

E) Alternate interior

Step-by-step explanation:

Answer:

points at (2,6) (3,9) (7,21) (8,24)

Step-by-step explanation:

Answer:

..

Step-by-step explanation:

each line is 1, so in between 0 and 5, the numbers 1-4 are there.

Coordinate place (x,y), the x is the horizontal or just the one going left and right. Y places are the numbers going up and down.

Take (2,6), we go to the origin (0,0) and we go 2 to the right since its in the x place, then we go from the point where we moved and go up 6 since its a y.  

does that make sense?

Answer:

14 + j = 28

Step-by-step explanation:

I hope this helps :)

Answer:

Hi, there your answer will be y=2x-4

Step-by-step explanation:

Well finding the y-intercept you have to see what goes through the y-axis in this case it is -4

To find the slope you can do [tex]\frac{rise}{run}[/tex]

or you can use the slope formula which is

[tex]\frac{y2-y1}{x2-x1}[/tex]

In this case, I'll be using the slope formula I'll pick two coordinate which are (0,-4) and (3,2). I'll be plugging that in

[tex]\frac{2-(-4)}{3-0}[/tex]=[tex]\frac{6}{3}[/tex]

We will simplify [tex]\frac{6}{3}[/tex] which will equal to 2

Hope this helps :)