There are 10 boys and 20 girls in a class.
The class has a test.
The mean mark for all t...
Mathematics, 16.03.2020 23:00 nourmaali
There are 10 boys and 20 girls in a class.
The class has a test.
The mean mark for all the class is 60.
The mean mark for the girls is 54.
Work out the mean mark for the boys.
Answers: 3
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Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f β 52 = 63 b. f β 63 = 52 c. 63 β f = 52 d. f β 63 = β52
Answers: 1
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Answers: 1
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Answers: 2
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Answers: 1
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