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hjlf
3 years ago
10

The answer of this  3*(-7) is  -21

Mathematics
1 answer:
irinina [24]3 years ago
6 0
Yes, you are correct. The answer of 3*(-7) = -21
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Problem 10

You are correct. The answer is choice C. The cm^3 notation represents cubic centimeters, which is a unit for volume. Think of a 1 cm by 1 cm by 1 cm cube.

======================================================

Problem 11

This problem is a bit strange. She borrows money ($100) but then it says she earns $300 per day. It makes no mention of her paying that $100 back, or when it's due back. I'll just assume that she keeps the $100 for the 12 days.

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5 0
3 years ago
Solve the system of equations by elimination. Show your work. i’ll give brainliest
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Answer:

x = 5

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Step-by-step explanation:

multiply the second equation by -1 and add the first equation to eliminate "x"

4x+6y=44\\-4x-2y=-28
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Replace "y" in the first equation:

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2 years ago
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