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3 years ago

A family donates 15% of their income to the church if they're anywhere income is 45800 how much is given to the church

Mathematics

1 answer:

schepotkina [342]3 years ago

6 0

Answer:

2,748?

Step-by-step explanation:

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2 years ago

At a zoo 5% of the birds are macaws. What decimal is equivalent to 5%

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3 years ago

50 points if u answer this easy problem.

Vlad [161]

Answer:

Slope=2

Step-by-step explanation:

Slope=rise/run

We can start at 2, 3 (you can start anywhere on the line)

Then go to 3, 5 (you can end anywhere on the line)

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2 years ago

Read 2 more answers

19. The numerator of a fraction is 1 less than the denominator.

yulyashka [42]

Let the original fraction be

$\dfrac{n-1}{n}$

Now let's increase both numerator and denominator by 2:

$\dfrac{n+1}{n+2}$

This produces a 1/12 increase:

$\dfrac{n+1}{n+2}-\dfrac{n-1}{n}=\dfrac{1}{12}$

The left hand side can be rearranged as

$\dfrac{2}{n^2+2n}=\dfrac{1}{12}$

Invert both sides:

$\dfrac{n^2+2n}{2}=12 \iff n^2+2n=24$

Solve the quadratic equation:

$n^2+2n-24=0 \iff n=-6 \lor n=4$

So, in the first case, the original fraction is

$\dfrac{n-1}{n}=\dfrac{-6-1}{-6}=\dfrac{7}{6}$

In the second case, we have

$\dfrac{n-1}{n}=\dfrac{4-1}{4}=\dfrac{3}{4}$

5 0

3 years ago