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Ksju [112]
3 years ago
13

Ethan bikes 13 more miles than thomas. The sum of Thomas's mileage and twice Ethan's mileage =83

Mathematics
1 answer:
stiv31 [10]3 years ago
6 0
83-13 = 70
70/2 = 35

Thomas’s mileage is 35 miles
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A builder wants to build the bridge whose cross section is shown in the diagram. Two companies offer simple bids on building the
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The length of the bridge is the distance from the beginning to the end.

<em>The distance b between each beam is 9ft.</em>

Let:

<em />I \to<em> I-Beam</em>

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<em />b \to<em> distance between each I beam</em>

<em />

Given that:

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<em />Length = 55ft\ 6in<em> --- length of the  bridge</em>

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From the diagram (see attachment), there are: 6 I-beams.

So, the length of the 6 I-beams is:

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There are 2 I-beams beside the bridge

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There are 5 spaces between the I-beams

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Collect like terms

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5b = 44.5ft\ + \frac{6}{12}ft

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b = 9ft

<em>Hence, the distance (b) between each beam is 9ft.</em>

Read more about lengths at:

brainly.com/question/22059747

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3 years ago
Colleen rode her bicycle 9.5 miles in 0.8 hours what was her average speed in miles per hour
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9.5÷8=1.1875 (distance covered in 0.1 hour)
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