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2 years ago

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50 POINTS!!!From 1970 to 1990, the average cost of a new car C (in dollars) car aproximated by the model C= 30.5p^2 + 4192 where

t is the number of vears since 1970. During which year was the average cost of a new car $7242?

1 answer:

ehidna [41]2 years ago

4 0

Answer:

The answer is 1980

Step-by-step explanation:

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3 years ago

Mrs. Chip bought 2 sheets and a blanket and paid $41. Mrs. Dale bought a sheet and 4 blankets and paid $80.

Katyanochek1 [597]

Answer:

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Step-by-step explanation:

<u>Let the cost of a sheet be s and cost of a blanket be b</u>

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<u>From the first equation we get:</u>

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3 years ago