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icang [17]
3 years ago
10

1 The heights of 9 students of a class are as follows (in cm):

Mathematics
1 answer:
torisob [31]3 years ago
4 0
You only listed 8 kids...so the average of the 8 kids listed is 150.125!
The process:
You add all kids heights then divide by the amount of children. Like this-
155+160+145+150+147+152+144+148=1201
Then you divide by 8 to get 150.125
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Step-by-step explanation:

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7 0
3 years ago
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3 years ago
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3 years ago
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Vera_Pavlovna [14]

Complementary angles = 90

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substitute this in to the equation

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Answer:

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