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murzikaleks [220]
3 years ago
15

Plz answer and provide explanation will choose brainliest.

Mathematics
1 answer:
Hitman42 [59]3 years ago
7 0

Answer:

1500/40=37.5

D. would be your answer because all the numbers are equal or above 37.5 so Amanda can swim it in time using 40 meters per minute. If there was less time she wouldn't make the 1,500 meters.

Hope this helps

Step-by-step explanation:

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Pleaseeee helpppppppppp
o-na [289]

Answer:

25 ft^2

Step-by-step explanation:

In direct variation, if y varies directly with x, then the equation has the form

y = kx,

where k is the constant of proportionality. y is proportional to x.

Let's call the area y and the distance x.

Here, the area varies with the square of the distance, so the equation has the form

y = kx^2

Here, y is proportional to the square of x.

We can find the value of k by using the given information.

y = kx^2

When x = 20 ft, y = 16 ft^2.

16 = k(20^2)

k = 16/400

k = 1/25

The equation of the relation is:

y = (1/25)x^2

Now we use the equation we found to answer the question.

What is y (the area) when x (the distance) is 25 ft?

y = (1/25)x^2

y = (1/25)(25^2)

y = 25

Answer: 25 ft^2

5 0
2 years ago
Solve the equation 7h-5(3h-9)=-72
STALIN [3.7K]
H=14 is your answer.

3 0
3 years ago
Read 2 more answers
She has read 1/5 of the book already what fraction of the book does she need to read now?​
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Answer:

4/5

Step-by-step explanation:

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she still has 4/5 to read

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What are the two requirements for a density curve?
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The density curve must satisfy two important conditions.

These two conditions are:
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Answer:

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Step-by-step explanation:

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