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Molodets [167]
2 years ago
14

Liz walks 1/2 mile in 20 minutes on Monday and 3 3/4 in 150 minutes on Sunday is this proportional or non -proportional

Mathematics
2 answers:
ratelena [41]2 years ago
4 0

Answer:

non proportional

Step-by-step explanation:

1/2 doesnt go into 3/4 and 20 doesnt go into 150

Aleks04 [339]2 years ago
3 0

Answer:

proportional

Step-by-step explanation:

so if 1/2 is 20, 1/4 is 10, and 1 whole mile is 40.

40 + 40 + 40 + 10 + 10 + 10 = 150

because we used the reasoning from the first part and it turned out correct, it is proportional

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Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of pi (no approximations)
Kisachek [45]

Answer:

40π in^2

Step-by-step explanation:

360°/72°=5

so, each of the two shaded regions are 1/5 of the circle.

the formula for finding the area of a circle is πr^2, so:

area for one of the shaded regions:

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1/5π100

20π in^2

this means that the area for one of the shaded regions is 20π. however, since there are two of them:

2(20π)=40π

so, the area of the shaded regions is 40πin^2

5 0
3 years ago
I need some help with this question :/
Masteriza [31]
You have one of the answers correct. The fraction 4/8 is equal to 1/2

Other answers are: 5/10, 10/20, and 6/12

If you reduced each of those fractions, you'd get to 1/2. 

You can use a calculator to find that
4/8 = 0.5
1/2 = 0.5
5/10 = 0.5
10/20 = 0.5
6/12 = 0.5
All fractions mentioned lead to the same decimal value, so this confirms all of the fractions are equivalent to one another.
7 0
3 years ago
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aniked [119]
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mote1985 [20]

Answer:

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Step-by-step explanation:

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228 divided by 10 is 22.8, therefore Cooper is making $22.80 per hour.

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