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schepotkina [342]
3 years ago
6

Ethan ran 11 miles in 2 hours. what is the unit rate of miles to an hour?

Mathematics
1 answer:
bearhunter [10]3 years ago
4 0
11 ÷ 2 = 5.5
Ethan ran 5.5 miles per hour

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in a class of 40 students, only 20% of the students are participating in an art competition. how many students are not taking pa
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<h3>Answer:  32</h3>

======================================================

Explanation:

There are two approaches.

Method 1)

20% of 40 = 0.20*40 = 8

Since 8 students are participating, this means 40-8 = 32 are not participating.

-----------

Method 2)

20% are participating, so 100% - 20% = 80% are not participating

80% of 40 = 0.80*40 = 32

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3 years ago
Branliest if you give right answer.
Ne4ueva [31]

We have

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First we add the equations to get rid of 3y terms and solve for x.

2x=8\Longrightarrow x=4

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3 years ago
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4 years ago
Given. Two pair of values x1=5,y1=4,x2=1,y2=1/2. Calculate the Pythagorean triples associated with each pair?
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\bf d=\sqrt{(1-5)^2+\left( \frac{1}{2}-4 \right)^2}\implies d=\sqrt{(-4)^2+\left( -\frac{7}{2} \right)^2}&#10;\\\\\\&#10;d=\sqrt{16+\frac{7^2}{2^2}}\implies d=\sqrt{16+\frac{49}{4}}\implies d=\sqrt{\frac{64+49}{4}}&#10;\\\\\\&#10;d=\sqrt{\frac{113}{4}}\implies d=\cfrac{\sqrt{113}}{\sqrt{4}}\implies d=\cfrac{\sqrt{113}}{2}
5 0
3 years ago
Five students came for after-school tutoring. Lin’s teacher assigned each of them the same number of problems to complete. Then
horsena [70]

Answer:

problems to complete. Then he assigned each student 2 more problems. 30 problems were assigned in

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2. Five students came for after-school tutoring. Priya’s teacher assigned each of them the same number of

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4 0
4 years ago
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