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eimsori [14]
3 years ago
13

angel is visiting a cousin 280 miles away from nashville. he’s already driven 70 miles in the first hour. at that speed how many

more hours will it take him to arrive
Mathematics
1 answer:
Tpy6a [65]3 years ago
4 0

Answer:

  3 hours

Step-by-step explanation:

Angel's remaining distance is ...

  280 mi - 70 mi = 210 mi

At 70 miles per hour, it will take ...

  (210 mi)/(70 mi/h) = 3 h

to cover the remaining distance.

_____

The appropriate relationship is ...

  time = distance/speed

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Answer:

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Step-by-step explanation:

step 1

Find the scale factor

we know that

If two figures are similar, then the ratio of its corresponding sides is equal to the scale factor

Let

z----> the scale factor

x----> corresponding side of the larger trapezoid

y----> corresponding side of the smaller trapezoid

z=\frac{x}{y}

we have

x=64\ m

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substitute

z=\frac{64}{12}

step 2

Find the area of the larger trapezoid

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

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y----> area of the smaller trapezoid

z^{2}=\frac{x}{y}

we have

z=\frac{64}{12}

y=131\ m^{2}

substitute

(\frac{64}{12})^{2}=\frac{x}{131}

x=(\frac{4,096}{144})(131)

x=3,726\ m^{2}

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