Answer:
Width=7
Length=21
Step-by-step explanation:
Width=x
length=3x
x+x+3x+3x=56
8x=56
x=7
width = x = 7
length = 3x = 21
Hello there,
For this, we can simply take the values from the problem and plug them into the equation.
Since “a” is not part of the problem, we do not have worry about the value of a. When we plug in the values we get:
3(2) + 4(-2) = -2
Answer:
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Step-by-step explanation:
Step-by-step explanation:
4 x 6 = 24 (side1)
8 x 4 = 32 (side2)
6 × 8 = 24 (side3)
6 x 8 = 24 (side4)
![{6}^{2} + {8}^{2} = 100](https://tex.z-dn.net/?f=%20%7B6%7D%5E%7B2%7D%20%20%2B%20%20%7B8%7D%5E%7B2%7D%20%20%3D%20100)
![\sqrt{100} = 10](https://tex.z-dn.net/?f=%20%5Csqrt%7B100%7D%20%20%3D%2010)
4 x 10 = 40 (side5)
surface area = 24 + 32 + 24 + 24 + 40 = 144ft squared
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