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hoa [83]
3 years ago
8

240 decreased 15% find percent and total amount

Mathematics
1 answer:
Doss [256]3 years ago
7 0
Hello!

"Decrease" means to take away, so subtraction would be used here.

We must find out 15% of 240 is, and to do that we will convert the percentage to a decimal by dividing by 100, and then multiply the decimal by 240.

^ I know, that's probably a lot to take in at once! :D

15% ÷ 100 = 0.15

240 × 0.15 = 36

Now that we know what 15% is, we must subtract it:

240 - 36 = 204

Final Answer:

204 is the total amount after a 15% decrease.
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Answer:

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Step-by-step explanation:

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<h3>Hope it is helpful....</h3>
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Graph -5x-8y=40
Triss [41]

Answer:

Please, see the attached file.

Thanks.

Step-by-step explanation:

-5x-8y=40

This is a linear equation, and its graph is a right line, we only need two points, because by two points only goes trough only a right line:

1) For x=0→ -5(0)-8y=40

0-8y=40

-8y=40

Dividing both sides of the equation by -8:

-8y/(-8)=40/(-8)

y=-5

Point=(x,y)→Point=(0,-5)


2) For y=0→ -5x-8(0)=40

-5x-0=40

-5x=40

Dividing both sides of the equation by -5:

-5x/(-5)=40/(-5)

x=-8

Point=(x,y)→Point=(-8,0)


With these two points (0,-5) and (-8,0) we can draw the right line.



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3 years ago
(3x2 + 8x − 3) ÷ (x + 3)?
Fittoniya [83]

The answer should be 3x-1 depending on if thats 3x^2 or 3*2 but im guessing its 3 times 2 so your answer should me 3x-1

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3 years ago
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