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m_a_m_a [10]
3 years ago
10

In the geometric sequence below, what is the common ratio? Sequence: 64,16,4,1

Mathematics
1 answer:
Elanso [62]3 years ago
4 0

9514 1404 393

Answer:

  1/4

Step-by-step explanation:

The common ratio is the ratio of successive terms:

  16/64 = 4/16 = 1/4

The common ratio is 1/4.

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

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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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I need help with this i don't know how to do it
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3 0
3 years ago
2a) Solve using substitution.
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Now, put in the substitution.

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Now that your equation it simplified, you need to reverse the problem and put everything on the other side.

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— —
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8 0
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