Mathematics, 16.10.2020 04:01, erenackermanlevijaeg

A cell phone plan charges a flat monthly fee of $25 for the first 650 minutes, then $0.09 for each additional minute. A teenager's cell phone bill for last month came to $74.50. How many additional minutes did the teenager use?

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Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

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Can you me find the missing length. i attached an image.

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Mathematics, 21.06.2019 20:40, corrah15

Which function has an inverse function? a. f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

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Mathematics, 21.06.2019 22:30, lillieannereed

Tell whether the two rates form a proportion

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