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Nataly [62]
3 years ago
13

in a parking lot of 240 red and blue cars, the ratio of red cars to blue cars is 3: 5. How many red cars are in the parking lot?

Mathematics
2 answers:
butalik [34]3 years ago
4 0

Answer:

90 red cars, 150 blue cars

Step-by-step explanation:

Divide 240 by 8. 8 comes from the 3:5 ratio (3+5). 240/8=30. 30x3=90, 30x5=150.

katen-ka-za [31]3 years ago
4 0

Answer:

90 red cars, 150 blue cars

Step-by-step explanation:

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Determine the period of this Function.
marysya [2.9K]

Answer:

4p

Step-by-step explanation:

The period is basically the difference in x from one "peak" to the other "peak".

The peaks are the highest points of a sinosodial function, and the figure them out, use the formula:

|peak_1-peak_2|=period

We know the first peak is at about x=0\pi

We know the second peak is at about x=4\pi

So plugging this in:

|0-4\pi |=4\pi

So the period is 4\pi

I am assuming "p" stands for \pi, so the answer should be 4p.

There are other ways to find the period, for instance if you are given a sinusodial function in writing instead of a graph.

Here is an example:

5sin(5x+2)+3

If we want to find period, we need to find what we call "b"

b is the number in front of x, which we can identify as bx, which in this case is 5x above.

Now what do we do with this "b"?

This is the value we need to find our period.

If you know b, you can use this formula to find the period:

\frac{2\pi }{b}=p

And when we plug in b:

\frac{2\pi }{5}

=

1.257, which would be your period.

THis can also be reworked so that you can find b:

If the formula for period is \frac{2\pi }{b}=p, then the opposite formula would be \frac{2\pi }{ p}=b

And when you plug the period you have in:

\frac{2\pi }{1.257}

=

5

Anyway, your answer is 4p.

Hope this helps!

3 0
2 years ago
Brett shaded 4/8 of a sheet of notebook paper. Aisha says he shaded 1/2 of the paper. Are the two fractions equivalent? if so, w
kati45 [8]

Answer:

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Step-by-step explanation:

48

12

60

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3 years ago
Write the slope-interest form of the equation that passes through (-2,6) with a slope of 3/2
iVinArrow [24]

Answer:

y = 3/2x+6

Step-by-step explanation:

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3 years ago
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vitfil [10]
81.28
-------------------------------------------------------------------------------
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3 years ago
I need help answering this one
aniked [119]
I already a seed you when you asked this the first time. The answer is 3.
You multiply both sides by 50 and then you get this
(In the picture)
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