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Varvara68 [4.7K]
3 years ago
7

the length of each side of a cube is 3x+10 Write a polynomial in standard form to represent the surface area of the cube

Mathematics
1 answer:
kari74 [83]3 years ago
3 0
<h3>Answer:  54x^2+360x+600</h3>

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

Explanation:

One square face has an area of

(length)*(width) = (3x+10)(3x+10) = 9x^2+30x+30x+100 = 9x^2+60x+100

after using the FOIL rule

Multiply that by 6 to get the total area of all 6 faces

6*(9x^2+60x+100) = 54x^2+360x+600

The surface area units are in square feet.

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George bought socks for "$"300 and planned to sell them for $6 a pair. write an inequality to find the minimum number of socks h
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The inequality <u>6s - 300 > 210</u> represents the minimum number of socks (s) when George bought socks for "$"300 and planned to sell them for $6 a pair, and want to make a profit of more than 210.

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