2 years ago

Ceci can drive 225 miles in 3 hours. What is the rate?

Mathematics

1 answer:

tatuchka [14]2 years ago

5 0

Answer:

Step-by-step explanation:

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Select point B, and drag it. As you drag B, circle AB changes. Verify that you can make circle AB coincide with AC. Return B to

-BARSIC- [3]

Answer:

When AB coincides with AC, the boundary of EAF maps exactly onto the boundary of CAD, implying that EAF dilates into CAD. So, the boundaries of EAF and CAD are similar.

The proportional relationship may be stated in different forms, but should be equivalent to this equation:

radius of Ab/ radius of Ac= length of arc EF/ length of arc CD

Explanations will vary, but should be based on the similarity of EAF and CAD. The proportional relationship follows from the fact that corresponding pairs of lengths in two similar figures have the same ratio.

Step-by-step explanation:

This is the exact answer so make sure you change it up a little.

8 0

3 years ago

Gracie drove 280 miles in 2.5 hours. How long will it take her to drive 710 miles at that same speed?

Lerok [7]

Answer:

6.34 hours

Step-by-step explanation:

$speed = \frac{distance}{time} \\ = \frac{280}{2.5} \\ = 112 \: miles \: per \: hour \\ time = \frac{distance}{speed} \\ = \frac{710}{112} \\ = 6.34 \: hours$