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marshall27 [118]
3 years ago
7

Abby scored 87, 93, 96, and 89 on her first four history quizzes. What score does

Mathematics
1 answer:
Alex73 [517]3 years ago
7 0

Answer:

73

Explanation

To find the average we need to find the mean. So you have

87,93,96, and 89. Add it up and you get 365. Next you have to divide it by how many numbers there are, so 365 divided by 5 and you get 73.

(I divided 365 by 5 because we are looking for the score she needs on the 5th quiz too.)

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you have the hypotenuse and the opposite side so you will use sin
sin58= (30/q)
multiply both sides by q
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divide by sin58 in your calculatior
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^ I don't have a calculator with me so you will need to plug that in
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