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Diano4ka-milaya [45]
1 year ago
9

What is (2-) +3+ (-4)

Mathematics
1 answer:
serious [3.7K]1 year ago
7 0

Answer:

-5

Step-by-step explanation:

(2-) +3+ (-4)

2-3-4 ( minus * plus gives (-)

2-7

-5

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Grace has a 15 inch diameter bicycle tire. How many revolutions will it make traveling 500 feet?
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Answer:

Revolution = 127.24 revolutions

Step-by-step explanation:

<em><u>Circumference of the tire = πD</u></em>

Where D = 15 inch

So,

C = 15π = 47.1 inch

<u><em>In feets:</em></u>

47.1 inch = 3.93 feet.

So, <u>one revolution = 3.93 feet</u>

<u><em>Travelling 500 feet will make the following revolutions:</em></u>

Revolution = 500 feet/3.93 feet

Revolution = 127.24 revolutions

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