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Anarel [89]
3 years ago
13

A long distance runner ran 10,000 metres in 28 minutes.work out his speed in metres/min?​

Mathematics
2 answers:
Anettt [7]3 years ago
5 0

Answer:

357.14

Step-by-step explanation:

Vera_Pavlovna [14]3 years ago
3 0

Answer:357.14m/min

Step-by-step explanation:

s=d/t

s = 10,000m/28min = 357.14m/min

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The answer is the last one (32x^7y^15)

You can bring x to the second power (x^2) because (x) is basically x^1. This is a basic exponent rule. (x^m)^n = x^m times n.

Then you can apply this rule to (2xy^3)^5. First you bring two to the fifth power and get 32. Then you bring x^5 according to the rule. Then you bring y^15, also because of the rule.

Now you have:

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3 years ago
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Think of even square roots close to 27: the closest is 25 which has a square root of 5. Now think of the number with an even square root after 25: 36 which has a square root of 6. Since 27 is between 25 and 36, the square root of 27 would be between 5 and 6.

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