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Illusion [34]
2 years ago
9

Evaluate 9(-2) What’s the answer for this

Mathematics
1 answer:
34kurt2 years ago
3 0

Answer:

-18

Step-by-step explanation:

just multiply 9 and -2, and you'll get -18

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3 years ago
6 plates and 5 cups cost 32.10 dollars. 7 plates and 6 cups cost 37.70 dollars. Each plate costs the same amount as the other pl
slavikrds [6]

Answer:

Plates are 2.80 Dollars and cups are 1.40 dollars

Step-by-step explanation:

Cups = c

Plates = p

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7p + 6c = 28.00 ==> multiply by 5 ==> 35p + 30c = 140.00

Now use algebra to have the 30c be on one side and the rest on the other:

36p + 30c = 142.80 | -36p

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142.80 - 36p = 140.00 - 35p

Use algebra to solve for p:

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2.80 = p

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c = 42/30

c = 1.4

8 0
3 years ago
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