2 years ago

Evaluate 7m + 3mn when m=8 and n=14

Mathematics

1 answer:

Murrr4er [49]2 years ago

3 0

Answer:

392

Step-by-step explanation:

7(8) + 3(8)(14)

56 + 336

=392

*Brackets mean to multiply.

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Simplify : 5y-2y+4=10

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Answer:

See below.

Step-by-step explanation:

5y - 2y + 4 = 10

5y - 2y = 6

3y = 6

y = 2

Check:

5y - 2y + 4 = 10

5(2) - 2(2) + 4 = 10

10 - 4 + 4 = 10

6 + 4 = 10

10 = 10

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