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Ugo [173]
3 years ago
13

Imagine you are painting a series of towers built from cubes. You are going to paint only the exposed faces of the cubes. What i

s the dependent variable?
a. The amount of paint you'll need
b. The number of stories of cubes
c. The number of corners on the cubes
d. The number of exposed faces​
Mathematics
1 answer:
8_murik_8 [283]3 years ago
3 0
A. Because the paint depends of the cubes
(I’m pretty sure)
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Answer:

<em>x = ± ( 5√5 - 3 ) / 2</em>

Step-by-step explanation:

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( 2x + 3 )^{ 2 }  = 125 - Take Square Root on Either Side,\\| 2x + 3 | = \sqrt{ 125 } - Simplify Square Root of 125,\\\\| 2x + 3 | = \sqrt{ 5 * 25 } - Simplify Further,\\| 2x + 3 | = 5\sqrt{ 5 } - Take | |,\\\\2x + 3 = 5\sqrt{ 5 } , and , 2x + 5 = - 5\sqrt{ 5 } - Algebra, \\2x = 5\sqrt{ 5 } - 3 , and , 2x = - 5\sqrt{ 5 } - 3 - Divide Either Side by 2\\\\x = ( 5\sqrt{ 5 } - 3 ) / 2, and , x = ( - 5\sqrt{ 5 } - 3 ) / 2\\Conclusion ; x = ( + / - 5\sqrt{ 5 } - 3 ) / 2

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