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sladkih [1.3K]
3 years ago
6

Lin’s bike travels 100 meters when her wheels rotate 55 times. What is the circumference of her wheels?

Mathematics
1 answer:
natka813 [3]3 years ago
6 0

Answer:

<h2><em><u>the circumference of her wheel is 1.81 m </u></em></h2>

Lin’s bike travels 100 meters when her wheels rotate 55 times.

here, n = 55 rotation and D = 100 meter.

Diameter is the distance bike travel

n is the number of times rotation

C is the circumference of the wheel

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Answer:

Quarters = 41

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Step-by-step explanation:

Given

Coins = 59

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d = dimes

q = quarters

Required

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The total coins can be represented as:

d + q = 59

1\ quarter = \$0.25 \\ 1\ dime = \$0.10

So, the worth of the coin is:

0.25q + 0.10d = 12.05

The equations to solve are:

0.25q + 0.10d = 12.05

d + q = 59

Make d the subject in: d + q = 59

d =59 - q

Substitute d =59 - q in 0.25q + 0.10d = 12.05

0.25q + 0.10(59 - q) = 12.05

0.25q + 5.9 - 0.10q = 12.05

Collect like terms

0.25q  - 0.10q = 12.05 - 5.9

0.15q = 6.15

Solve for q

q=\frac{6.15}{0.15}

q=41

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d = 59 - 41

d = 18

So:

Quarters = 41

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5 0
3 years ago
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PolarNik [594]

Answer:

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Step-by-step explanation:


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Answer:

Hope this helps...

Step-by-step explanation:

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