3 years ago

What is an expression which represents the sum of (3x-7y) and (10x+3y) in simplest terms?

1 answer:

5 0

Answer:

3 x − 4 y + 10

Step-by-step explanation:

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raketka [301]

From 4 to 10, it is enlarge by 2.5 times
from 6 to 15, the scale factor is also 15/6=2.5
so the answer is 2.5

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3 years ago

Vanyuwa [196]

Answer:

1 3/4 t -7/2

Step-by-step explanation:

t + 3/4t - 7/2

Get a common denominator for the t terms, which is 4

4/4t + 3/4t - 7/2

7/4 t -7/2

This is an improper fraction so change it to a mixed number

1 3/4 t -7/2

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rosijanka [135]

The answer is 17 because all the others can be Times by more than one and itself

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storchak [24]

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Step-by-step explanation:

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Oksanka [162]

The butterfly method. Multiply then divide

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3 years ago