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Dmitrij [34]
3 years ago
10

What is c equal to in the equation 7c - 4 = 3c + 20

Mathematics
1 answer:
kakasveta [241]3 years ago
5 0
It’s 6 because 7•6-4 —> 42-4 —> =38
3•6+20 —> 18+20 —> =38
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Archy [21]

Answer:

The answer to your question is z = 87 cm

Step-by-step explanation:

Data

Surface area of the rectangular prism = 8,462 cm²

Find z

Process

1.- Write and equation that help to solve the problem

Surface area = 2(13z) + 2(13)(31) + 2(31z)

-Simplify

           8462 = 26z + 806 + 62z

           8462 - 806 = 26z + 62z

                     7656 = 88z

                          z = 7656/88

-Result

                          z = 87 cm

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4 years ago
How to do gcf vs lcm
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6 0
3 years ago
Help please!!! I need it!
Grace [21]

Answer:

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Step-by-step explanation:

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Answer:

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Answer:

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Step-by-step explanation:

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