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AlladinOne [14]
3 years ago
11

David can run 4 miles in 75 minutes .what is Davides jogging rate per hour ?

Mathematics
1 answer:
Nina [5.8K]3 years ago
4 0

Answer:

3.2 miles per hour

Step-by-step explanation:

Time=75 minutes=75/60=5/4=1.25 hours

Speed=Distance/time=4/1.25=3.2 miles per hour

David's jogging rate is 3.2 miles per hour.

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Which of these intervals has an average rate of change that is less than 1/4
RideAnS [48]

Answer:

Interval [b,c] and interval [c,d]

Step-by-step explanation:

a(-5,0)

b(-1,2)

c(4,3)

d(11,4)

The average rate of change is the the total rise over the total run.

The Rise means the vertical increase and the Run means horizontal incease.

For interval [a,b]

rate of change is \dfrac{2-0}{-1-(-5)}=\dfrac{2}{4}=\dfrac{1}{2}

For [b,c]

\frac{3-2}{4-(-1)}=\frac{1}{5}

For [c,d]

\dfrac{4-3}{11-4}=\dfrac{1}{7}

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katovenus [111]
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Let ∠X and ∠Y be complementary. If sin(X) =
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<h3>Answer:</h3>

sin(Y) = 4/5

<h3>Step-by-step explanation:</h3>

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_____

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