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Alex73 [517]
3 years ago
7

Round to the nearest 10th if necessary

Mathematics
1 answer:
Lana71 [14]3 years ago
6 0

Answer:

38.7°.

Step-by-step explanation:

from trigonometrical ratios

SO TO CA

H A H.

Tan°=opposite/adjacent.

Tan°=48/60

Tan°=0.8000

°= Tan-1(0.8000)

°=38.65°≈38.7°

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tino4ka555 [31]

Given:

The two ways table.

To find:

The number of girls in year 9.

Solution:

Using the two ways table, we get

Boys in year 10 = Total student in year 10 - Girls in year 10

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Boys in year 9 = Total boys - Boys in year 10 - Boys in year 11

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Girls in year 9 = Total students in year 9 - Boys in year 9

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                       = 154

Therefore, the number of girls in year 9 is 154 and the correct option is C.

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