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3 years ago

9

Multiply polynomials (4x-5)^2

1 answer:

wolverine [178]3 years ago

6 0

16x^2-40x+25 Yes I know my phone is messed up but at least you got the answer

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Solve the equation 5(x-2)=7(x+4) for x

Sphinxa [80]

Answer:

$\boxed{\bold{x=-19}}$

Step By Step Explanation:

Expand $\bold{5\left(x-2\right): \ 5x-10}$

Expand $\bold{7\left(x+4\right): \ 7x+28}$

$\bold{5x-10=7x+28}$

Add 10 To Both Sides

$\bold{5x=7x+38}$

Subtract 7x From Both Sides

$\bold{5x-7x=7x+38-7x}$

Simplify

$\bold{-2x=38}$

Divide Both Sides By -2

$\bold{\frac{-2x}{-2}=\frac{38}{-2}}$

Simplify

$\bold{x=-19}$

3 0

3 years ago

Marcia has a sunflower garden. The plants are currently 36 inches tall and are growing at a rate of 4 inches each week. Write an

alexgriva [62]

H = 4w + 36
is your equation

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3 years ago

Party Palace had 350 balloons that could be purchased. 70 of the balloons were blue. What percent of the balloons were blue? hel

AleksAgata [21]

Answer:

20%

Step-by-step explanation:

70/350 = 0.2

0.2 x 100 = 20%

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3 years ago

If the volume of a cone is 757 units and the height of the cone is uits, what is the radius of the cone?

Musya8 [376]

Answer:

The answer is going to be

B. 25units

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3 years ago

What is the LCM of 20 and 40?<br> 5<br> 10<br> 20<br> 40

zepelin [54]

Answer:

i think this is the answer

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2 years ago