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777dan777 [17]
3 years ago
9

Three consecutive whole numbers are such that if they be divided by 5,3 and 4 respectively, the sum of the quotient is 40. What

are the numbers?
Mathematics
1 answer:
Alja [10]3 years ago
4 0
\dfrac{x}{5}+\dfrac{x+1}{3}+\dfrac{x+2}{4}=40\\
12x+20(x+1)+15(x+2)=2400\\
12x+20x+20+15x+30=2400\\
47x=2350\\
x=50\\
x+1=51\\
x+2=52

Then umbers are 50,51,52
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Step-by-step explanation:

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Help.. Suppose Q is the midpoint of PR
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Answer:

3x+41 or 38

Step-by-step explanation:

If Q is the midpoint of Line PR, then lines PQ and QR add up to equal Line PR. We then get

PQ=6x+25\\QR=16-3x\\PQ+QR=PR\\6x+25+16-3x=PR\\3x+41=PR\\

If you want to know the exact number that PR is, we can do additional steps where PQ = QR.

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3 years ago
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2 years ago
If f(x) = 5x − 3, which expression represents its inverse function?
tangare [24]

Answer:

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Step-by-step explanation:

To find the inverse of a function f (x) follow the steps below:

1) Make y = f (x)

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2) Solve for the variable x

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3) Exchange the variable x with the variable y

y=\frac{x+3}{5}

4) Make y = f ^{-1}(x)

f ^{-1}(x)=\frac{x+3}{5}

Finally, the inverse of the function f (x) is: f ^{-1}(x)=\frac{x+3}{5}

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Read 2 more answers
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