What to do when a negative number is subtracted from a positive number?

1 answer:

5 0

When you see the subtraction (minus) sign followed by a negative sign, turn the two signs into a plus sign. Thus, instead of subtracting a negative, you're adding a positive, so you have a simple addition problem.

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blagie [28]

Answer:

A. 3.5

Step-by-step explanation:

The perimeter is just the sum of all of the side lengths. The sides of this triangle are n inches, (n + 5.2) inches, and (2n + 3.4) inches.

So, your equation is n + n + 5.2 + 2n + 3.4 = 22.6 inches.

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Jobisdone [24]

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2 years ago

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hichkok12 [17]

Answer:

B. 39

Step-by-step explanation:

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