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storchak [24]
3 years ago
7

8. It took Lisa 20 minutes to change 2 tires on a car. If she works at the same rate,

Mathematics
1 answer:
Ad libitum [116K]3 years ago
8 0

Answer:

40 minutes

Step-by-step explanation:

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Robert run the 100 meter dash in 13.5. later he run same distance in 10.3 seconds. how many seconds less did it take him to run
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Answer:

3.2seconds

Step-by-step explanation:

Step one:

Robert run the 100 meter dash in 13.5 seconds

We are told that he later  run same distance in 10.3 seconds

Required.

The time difference in the first dash and the second

Step two:

The first dash took 13.5 seconds

the second took 10.3 seconds

the difference = 13.5-10.3= 3.2seconds

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3 years ago
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Darya [45]

Answer:

314

Step-by-step explanation:

First, find the diameter which is 10 and square it. Then, multiply by pi or 3.14 to get 314.

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gtnhenbr [62]
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jeka94
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4 0
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