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tatyana61 [14]
3 years ago
6

A high school math teacher is grading her students' tests. The teacher spends about 4 minutes grading each test. The teacher has

a total of 176 students. How long will it take the teacher to grade the tests?
A.8 hours and 34 minutes
B.6 hours and 44 minutes
C.10 hours and 55 minutes
D.11 hours and 44 minutes
Mathematics
1 answer:
gavmur [86]3 years ago
3 0
The answer is D because , 4x176 = 704 which you divide by 60 because thats how many minutes are in an hour which should come out to 11 hours
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Q must be positive in F.

F. r squared will be positive, because any number times itself is positive, and to get a positive number for the answer, the two numbers you multiply need to be the same sign. If r squared is positive, q must be too. 

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