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3 years ago

Which measure is equivalent to 3 mi? A. 440 B. 15,840 C. 63,360 D. 190,080

Mathematics

2 answers:

vodka [1.7K]3 years ago

7 0

I know for a fact that its D

Marysya12 [62]3 years ago

3 0

The answer is d because
1 mile=63,360 inches
then times that by three

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3 years ago

Determine the points of intersection of the equation circumference x² + (y-3) ² = 25 with the coordinate axes.

KengaRu [80]

Answer:

$x^2 +(y-3)^2 = 25$

And we want to find the coordinate axes so then we can do the following:

If x=0 we have:

$0^2 +(y-3)^2 = 25$

$(y-3)^2= 25$

$y-3= \pm 5$

$y_1 = 5+3=8$

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Now of y =0 we have:

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And then the coordinate axes are:

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Step-by-step explanation:

For this cae we have the following functon given:

$x^2 +(y-3)^2 = 25$

And we want to find the coordinate axes so then we can do the following:

If x=0 we have:

$0^2 +(y-3)^2 = 25$

$(y-3)^2= 25$

$y-3= \pm 5$

$y_1 = 5+3=8$

$y_2 = -5+3=-2$

Now of y =0 we have:

$x^2 +9 = 25$

$x^2 = 16$

$x= \pm 4$

And then the coordinate axes are:

(4,0) (-4,0), (0,8), (0,-2)

7 0

3 years ago

Leo paid $2400 in interest on an amount borrowed for 10 years at a 4% annual simple interest rate. How much did Leo borrow?

hodyreva [135]

Answer: $6000

Explanation:

1) Simple interest means that the interests are calcualted over the original amount borrowed and they are the same every year.

2) yearly interest = interest / number of years = $2400 / 10 = $240

3) the yearly interest equals the amount borrowed times the simple intereset rate:

=> $240 = A * 4%

=> $240 = A * 0.04

=> A = $240 / 0.04 = $6000

You can do the same in one step:

interest = A * simple interest rate * number of years

=> A = interest / [simple interest rate * number of years] = $2400 / [4% * 10]

A = $2400 / (0.04 * 10) = $2400 / 0.4 = $ 6000.

And that is the answer: he borrowed $6000

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A times a times a, what is the factorization?

TEA [102]

It answer is a to the power of 3

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