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mash [69]
3 years ago
10

a wheel makes 3 11/12 revolutions per minute. if it rotates for 40 minutes, how many revolutions does it make

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
7 0
<span>The wheel has a radius of 50 feet and makes 3 revolutions per minute. ... a wheel with diameter 40 cm makes 50 <span>revolutions </span></span>
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Suppose b is any integer. If b mod 12 = 5, then 7b mod 12
Rzqust [24]

The result follows directly from properties of modular arithmetic:

b\equiv5\pmod{12}\implies 7b\equiv35\equiv-1\equiv\boxed{11}\pmod{12}

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b\equiv5\pmod{12}

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and taken mod 12, the first term goes away, so

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8 0
3 years ago
Explain plssssssssssssssss
irina [24]
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