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valkas [14]
3 years ago
12

Express the following relationship as a rate. Then, find the unit rate. Yolanda can bike 28 miles in 4 hours. *GIVING 99 POINTS*

Mathematics
2 answers:
ELEN [110]3 years ago
7 0

Answer:

7

Step-by-step explanation:

grin007 [14]3 years ago
5 0
7 miles per hour you can find this answer by doing 28 divided by 4.
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Find the length of the segment indicated. Round your answer to the nearest
Andrew [12]

Answer:

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Step-by-step explanation:

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What sine function represents an amplitude of 4, a period of pi over 2, no horizontal shift, and a vertical shift of −3?
mixer [17]

Answer:

f(x) = 4sin(\frac{\pi}{2}x) - 3, the third one

Step-by-step explanation:

Explaining the sine function:

The sine function is defined by:

S = Asin(p(x - x_{0})) + V

In which A is the amplitude, p = \frac{2\pi}{N} is the period, x_{0} is the horizontal shift and V is the vertical shift.

So, in your problem:

The amplitude is 4, so A = 4.

The period is \frac{\pi}{2}, so p = \frac{\pi}{2}.

There is no horizontal shift, so x_{0} = 0.

The vertical shift is −3, so V = -3.

The sine function that represents these following conditions is

f(x) = 4sin(\frac{\pi}{2}x) - 3, the third one

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Step-by-step explanation:

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