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Assoli18 [71]
2 years ago
13

A parallelogram has an area of x^2 + 9x - 36. A. What are expressions for the length and width of the parallelogram?B. If x is a

n integer, what is the least possible value of x for a parallelogram to exist? Explain.Please help! ​
Mathematics
1 answer:
katrin2010 [14]2 years ago
8 0

Step-by-step explanation:

Area  \: of  \: parallelogram  \\  =  {x}^{2}  + 9x - 36 \\  =  {x}^{2}  + 12x - 3x - 36 \\  = x(x + 12) - 3(x + 12) \\  = (x  + 12)(x - 3) \\  \implies \\ length = (x + 12) \: units \\ width = (x - 3) \: units \\

For this parallelogram to exist least value of x should be 4.

Because if x = 3

(x - 3)= 3 - 3 =0

Thus width of parallelogram would become zero as a result area of parallelogram would become zero i. e. Parallelogram won't exist.

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The figure shows a carpeted room. How many square feet of the room are carpeted?
OverLord2011 [107]

Split the figure into two shapes.

Top rectangle would be 6 feet x 5 feet ( 8-3)

The bottom rectangle would be 2 feet x 3 feet.

Calculate the area of both and add them together:

6 x 5 = 30

2 x 3 = 6

Total area = 30 + 6 = 36 square feet.

3 0
2 years ago
1. A professional basketball used for league play has a diameter of 25 cm. Which of the following is closest to the volume of th
yKpoI14uk [10]

Answer:

V = 8,181.23 cm^{3}

Step-by-step explanation:

Unfortunately, we are not given any answer choices to choose from but using the information provided we can find the actual volume of the basketball. A basketball is made in the shape of a sphere and the formula for the volume of a sphere is the following...

V = \frac{4}{3} * \pi  * r^{3}

radius of a circle/sphere is half of it's diameter. Since we are provided the diameter size we simply divide it by 2 which would give us 12.5cm. Now we simply plug this value into the formula and solve for V.

V = \frac{4}{3} * \pi  * 12.5^{3}

V = \frac{4}{3}  * \pi  * 1953.125

V = 8,181.23 cm^{3}

5 0
3 years ago
If r= 9 units and x = 4 units, then what is the volume of the cylinder shown above?
Thepotemich [5.8K]

Answer:

Volume of the cylinder is. 1017.36

Step-by-step explanation:

V=\pi r^2h is the area of a cylinder.

Let's plug in our values.

-----

3.14 = pi

9 = radius

x = height

-----

V = (3.14)(9)^2(4)

V = (3.14)(81)(4)

V = (3.14)(324)

V = 1017.36

3 0
2 years ago
Use the Distributive Property to write each expression in expanded form.
kap26 [50]

A. 3x+21

B. 25-5x

C.8x-16

D.x^2+6x+24

7 0
3 years ago
Read 2 more answers
Helps please does that look right to y’all ?
ladessa [460]
<h3>You have the correct answer</h3><h3>Interest rate = 21.5%</h3>

===============================================

Work Shown:

i = P*r*t .... simple interest formula

i = simple interest

i = 2075-1000 = 1075

P = 1000 = amount borrowed (principal)

r = unknown interest rate

t = 5 = time in years

So,

i = P*r*t

1075 = 1000*r*5

1075 = 5000r

5000r = 1075

r = 1075/5000

r = 0.215

r = 21.5%

5 0
2 years ago
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