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Shtirlitz [24]
3 years ago
7

Cathrine was concerned about her report card grade. She had 5 tests the whole semester. If her scores on each test were 93, 82,

74, 92 and 67 what is the mean/average of her grade?
Mathematics
1 answer:
enyata [817]3 years ago
4 0

Answer:

81.6

Step-by-step explanation:

mean/average of her grade = sum of all scores/the number of scores

= (93+82+74+92+67)/5

= 81.6

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Answer:

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Step-by-step explanation:

We are asked for the number of work hours of Naomi and Hudson. It is convenient to define the variables n and h to represent those hours, respectively. Then the system of equations is ...

 n + h = 13 . . . . . . . . . . . . total work hours

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The solution is Naomi worked 9 hours; Hudson worked 4 hours.

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Step-by-step explanation:

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