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VMariaS [17]
3 years ago
10

Rafael can run 5 laps around the track in 16 minutes. If he runs at the same rate, which of the following proportions can be use

d to find the number of minutes, m, it takes him to run 20 laps?
A) 25/16=20/m
B) 5/20=m/16
C) 5/16=m/20
D) 5/16=20/m
Mathematics
1 answer:
kari74 [83]3 years ago
3 0
The best answer is D) 5/16=20/m
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Claire has a hot tub with a diameter of 7 feet. She wants to purchase a cover to protect the hot tub. What is the area of the co
lara [203]

She needs to purchase a cover to protect the hot tub of an area of 38.5 square feet.

<h3>What is a circle?</h3>

It is a locus of a point drawn at an equidistant from the center. The distance from the center to the circumference is called the radius of the circle.

Claire has a hot tub with a diameter of 7 feet. She wants to purchase a cover to protect the hot tub.

The area of the circle is given by

\rm Area = \dfrac{\pi}{4}d^2

We have d = 7 ft, then the area of the circle will be

\rm Area = \dfrac{3.14}{4}*7^2\\\\Area = 38.5 \ ft^2

More about the circle link is given below.

brainly.com/question/11833983

5 0
2 years ago
At noon the temperature was 12 degrees and went up throughout the day. If the temperature was no more than 36 degrees. How many
lukranit [14]

the answer for the question  is c

 

6 0
3 years ago
5.) What is the circumference of the circle?<br> 4 cm
Ne4ueva [31]

Answer:

12.57cm

Step-by-step explanation:

the diameter is 4cm, so the radius is 2cm (radius is half the diameter)

the circumference of a circle is 2 x pi x radius

so simplified is 4 x pi

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hope this helped!!

3 0
2 years ago
Pls help will mark as brainliest
Citrus2011 [14]

Answer:

1, 4, 3, 2, 6, 5

Step-by-step explanation:

There is X pounds of butterscotch

There is Y pounds of peppermint

It costs $2.35 per pound of peppermint

It costs $2.15 per pound of butterscotch

It costs $2.20 per pound of the mixture

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8 0
3 years ago
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What would 3/4 be as a decimal?
kari74 [83]
The answer is 0.75
0.75 = 3/4
4 0
2 years ago
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