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I am Lyosha [343]
2 years ago
11

Ethan entered a race. He rowed 4 1/2 miles in 1/2 hour. What is his average speed in miles per hour?

Mathematics
2 answers:
LuckyWell [14K]2 years ago
4 0
Find the unit rate:

4.5 miles        2
------------- * ------- = 9 mph
0.5 hour          2
maksim [4K]2 years ago
3 0

his average speed was 9 miles per hour.
what you do is 4 1/2 divided by 1/2=9
9 is your answer
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Help please! the graph below​
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Answer:

The constant of proportionality is basically just the slope, so the answer is 1/6.

Step-by-step explanation:

Count how many Y units it goes up to get the the black point  from (0,0) (the origin). You go up 1 unit to go 6 units to the right meaning the slope is 1/6.

That is the rise over run technique and there are many others, such as point slope form, and y2-y1 over x2-x1.

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3 years ago
The future value of a certain money market account with a fixed interest rate of
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D = $8637.45

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A = 5000(1 + 0.0365 / 12)^15*12

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Note: the final answer may vary slightly from the answer in the options due to ± from approximation

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2 years ago
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