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never [62]
3 years ago
11

Miguel runs 4 miles in 30 minutes. At the same rate, how many minutes would he take to run 10 miles?

Mathematics
2 answers:
allochka39001 [22]3 years ago
7 0
He runs 1 mile in 7.5 minutes because 7.5x4 = 30. Then 7.5x10=75 so 75 minutes or an hour and 15 minutes
Andrei [34K]3 years ago
6 0

Answer:

<em>75</em>

Step-by-step explanation:

Use a proportion.

4 miles is to 30 minutes as 10 miles is x minutes.

4/30 = 10/x

2/15 = 10/x

2x = 15 * 10

2x = 150

x = 75

Answer: 75

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Explanation:

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15.0 has three sig figs. The 0 is significant. If they wrote 15 or 15. then we'd be dealing with 2 sig figs instead; however they placed the 0 there to tell the reader "this measurement is accurate to the tenths place"

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Multiply the values given

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Round that to three sig figs. We pick the smaller sig fig count to round to since we cannot be certain it is accurate to four sig figs. In a sense, we pick the weakest link and use that to determine rounding when it comes to multiplication and division.

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