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tensa zangetsu [6.8K]
3 years ago
5

Find the surface area with the following measurements 8 inches in width 14 inches in height and 12 inches in length

Mathematics
1 answer:
jasenka [17]3 years ago
5 0


To find the surface area of a rectangle, you must use the formula: SA=2B+PH

SA=2(96)+34*14

SA=192+476

SA=668 inches squared

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Answer:

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Step-by-step explanation:

Written in general form, the equations are ...

  4x +5y -10.51 = 0

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These can be solved using the cross-multiplication method to find ...

  ∆1 = (4)(8) -(3)(5) = 17

  ∆2 = (5)(-10.39) -(8)(-10.51) = 32.13

  ∆3 = (-10.51)(3) -(-10.39)(4) = 10.03

Then the values of the variables are ...

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  y = ∆3/∆1 = 10.03/17 = 0.59

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3 years ago
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Step-by-step explanation:

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