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mihalych1998 [28]
3 years ago
9

Evaluate each expression for the given values of the variable. −4√ef -4ef, where e=7 and f=7

Mathematics
1 answer:
mina [271]3 years ago
6 0
-4\sqrt{ef} -4ef
-4\sqrt{(7)(7)} -4(7)(7)
-4\sqrt{7^2} -196
-4(7) -196
-28-196
-224
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iren2701 [21]

Answer:

88 inches

Step-by-step explanation:

The given bicycle has a tyre that is 28 inches in diameter.

How far the bicycle moves forward each time the wheel goes around is the circumference of the bicycle tyre.

This is calculated using the formula:

C =\pi \: d

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C =  \frac{22}{7}  \times 28

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C =22 \times 4

88 \: inches

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