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geniusboy [140]
3 years ago
8

PLEASE HELP

Mathematics
1 answer:
Inessa05 [86]3 years ago
6 0

Answer:

A=6x²

Step-by-step explanation:

A cube is an object which is three-dimensional. A cube has six square faces.

If the side length = x inches

The area of a square = x²

Therefore, the expression for the surface area of a cube(with 6 square faces) with a side length of x is given as:

A=6x²

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WILL GIVE CROWN THING <br> HELP ASAP
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Answer:

The value of x will be:

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Step-by-step explanation:

Given the equation

4-2(x+7)=3(x+5)

Multiply (or distribute) each term in parenthesis on L.H.S by -2, and multiply (or distribute) each term in parenthesis on R.H.S by 3.

4-2x-14=3x+15

simplifying the equation by subtracting 14 from the L.H.S

-10-2x=3x+15

Subtracting 15 from both sides

-10-2x-15=3x+15-15

-25-2x=3x

combining the like terms

-25=3x+2x

-25=5x

dividing both sides of the equation by 5

\frac{-25}{5}\:=\:\frac{5x}{5}

-5=x

Therefore, the value of x will be:

  • x=-5
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3 years ago
Please help me with they math I wil lvote brainlyest
Zolol [24]

Answer:

Question no 3...

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The answer is C
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<em>Hope this helps :)</em>


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