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2 years ago

13

A student estimates that it would take her 3 hours to write a book report,but it actually takes he 5 hours what is the percent e

rror

1 answer:

aleksklad [387]2 years ago

5 0

Answer:

66.67%

If it wrong! IM SO SORRY:(

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igomit [66]

Answer:

$(fog)(x) = f( \: g(x) \: ) \\ = 8(10 - 2x) - 5 \\ = 80 - 16x - 5 \\ = - 16x + 75$

$(gof)(x) = g( \: f(x) \: ) \\ = 10 - 2(8x - 5) \\ = 10 - 16x + 10 \\ = - 16x + 20$

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