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Darya [45]
1 year ago
13

Aubree practices the piano 1197 minutes in 3 weeks. At what rate did she practice, in minutes per day?

Mathematics
2 answers:
LiRa [457]1 year ago
7 0
The answer is 57.
3 weeks = 21 days
1197/21=57

Norma-Jean [14]1 year ago
4 0

Answer:

57

Step-by-step explanation:

We need to create a ratio. so Aubree practices the piano for 1197 min: in 3 weeks. So for 1 week, we have to divide 1197 by 3, so 1197/=399. And so we know that 1 week is 7 days, just divide 399 by 7! 399/7=57. The rate that she practiced per day is 57 minutes. So one last final step just to check if this answer is correct is to divide 57 by 60, and that is 0.95. 0.95 out of 1.00 minutes per day is 95/100. Cross multiply with x/60, and you will get your answer, which is 57.

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In circle O, RT and SU are diameters. mArc R V = mArc V U = 64°. Thus, option C is correct.

Given that:

mArc R V = mArc V U,

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<h3>How to calculate the angle TOU ?</h3>

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Therefore:

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Subtracting 13x from both sides

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Learn more about angles here:

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