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Tems11 [23]
3 years ago
9

Multiply polynomials (4x-5)^2

Mathematics
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}

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3 years ago
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Party Palace had 350 balloons that could be purchased. 70 of the balloons were blue. What percent of the balloons were blue? hel
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Step-by-step explanation:

70/350 = 0.2  

0.2 x 100 = 20%

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