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3 years ago

A car can travel 374 kilometers on 34 liters of gasoline. How far can it travel on 35 liters?

Mathematics

1 answer:

vovangra [49]3 years ago

4 0

Answer:

385 kilometers

Step-by-step explanation:

Divide 374 by 34 to get the unit price

Then multiply the unit price by 35

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(3x^3-2x^2+4)-(2x^2+14)

LenKa [72]

$(3 {x}^{3} - 2 {x}^{2} + 4) - (2 {x}^{2} + 14) \\ 3 {x}^{3} - 2 {x}^{2} + 4 - 2 {x}^{2} - 14 \\ 3 {x}^{3} - 10$

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3 years ago

What is a good science fair project for 7th grade. I REALLY need help!

Semenov [28]

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On Monday, during a one day sale, the price of a suit was decreased by 20%. On Tuesday, the price of the suit was changed back t

nignag [31]

Answer:

25%

Step-by-step explanation:

If we consider the original price of the piece of suit is x.

Given that, on Monday during a one day sale, the price of the suit was decreased by 20%.

Therefore, the new price of the suit on Monday is $x( 1 - \frac{20}{100}) = 0.8x$ .

Now, the price of the suit on Tuesday was changed back to the original price i.e. x.

Therefore, the price is increase by (x - 0.8x) = 0.2x from the price of 0.8x.

So, the percentage change in price of the suit on Tuesday is $\frac{0.2x}{0.8x} \times 100 = 25$ %. (Answer)

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3 years ago

How to simplify 7-|-23|+|-7|

Scilla [17]

Ok The answer is : -7

Simply -7 to 7:

7-21+7

Simplify and the answer is -7

hope this helps.

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3 years ago

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How do you divide 9/4 divided by 10/3

NeTakaya

Answer:

You do (Keep, Change, Flip)

so you keep 9/4

Then change the division sign to multiplication sign

Finally flip the next fraction (10/3) becomes 3/10

9/4 * 3/10 = (9*3)/(4*10) = 27/40

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3 years ago