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umka21 [38]
3 years ago
10

Claire sat a Spanish test and a French test.

Mathematics
1 answer:
posledela3 years ago
6 0

Answer:

french

Step-by-step explanation:

convert both to percentage:

1. spanish:

\frac{27}{32}  \times 100 = 84.375

2.French:

\frac{19}{21}  \times 100 = 90.476

therefore Claire did better in the French test

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Simple geometry please help<br><br> Find KL. Round to the nearest hundredth.
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Answer:

KL ≈ 1.94

Step-by-step explanation:

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The mean of the heights of three buildings A,B and C is 14.2m. The mean of the heights of five buildings A,B,C, D and E is 14.8m
Jobisdone [24]
<h3>Answer:  15.7 meters</h3>

========================================================

Work Shown:

s = sum of the heights of buildings A,B,C

s/3 = mean of the heights of buildings A,B,C

s/3 = 14.2

s = 3*14.2

s = 42.6

The buildings A,B,C have their heights add up to 42.6

--------------

r = sum of the heights of buildings A,B,C,D,E

r/5 = mean of the heights of buildings A,B,C,D,E

r/5 = 14.8

r = 5*14.8

r = 74

--------------

r-s = (sum of heights of A,B,C,D,E)-(sum of heights of A,B,C)

r-s = sum of the heights of buildings D and E

r-s = 74-42.6

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(r-s)/2 = mean height of buildings D and E

(r-s)/2 = 31.4/2

(r-s)/2 = 15.7 meters is the average height of buildings D and E.

4 0
2 years ago
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