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kiruha [24]
3 years ago
5

A piggy bank contains only quarters and dimes. A representative sample has 6 quarters and 2 dimes. If there are 56 coins in the

bank, how many coins are quarters? (SHOW WORK and LABEL your answer)
Mathematics
1 answer:
nadezda [96]3 years ago
8 0

Answer:

2

Step-by-step explanation:

Method- 56-25=31-25=6

I subtracted 25 until I cant no more so I only did it 2 times so 2 quarters are in the piggy bank.

Quarters-2

Then since the remainder was 6 that means there was only 1 penny and 1 nickel.

Pennies- 1

Nickels-1

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guapka [62]

Answer:

Quadratic Formula

so

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Step-by-step explanation:

Whenever you see a problem in this form, which you will see a lot of, you can try to factor it or use the "least squares" method or what have you, but those won't always work, unfortunately.

Fortunately, the quadratic formula will never fail you with quadratic expressions.

This is the Quadratic Formula

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a is the the number on the variable with the exponent ^2

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c is the third number

a and b cannot be equal to 0; c can be

Since we're looking for a number with an equation that has a square root in it, we're going to get two answers. These two answers come from the radical being separately added AND subtracted from the radical. It's basically two problems.

Plugging  in our numbers to this equation gives us x values of -5 and 0.5. This will always work with polynomials with factors of ^2 in them.

If you have a TI-84 calculator or newer, there's a tool on it that will factor polynomials like this one for you just by giving it the numbers.

7 0
3 years ago
The domain of a function g(x) is x < 2, and the range is y> 0. What are the
zavuch27 [327]

Answer:

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Domain of the original is the range of the inverse and vice versa.

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Answer:

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Step-by-step explanation:

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I think it would be 883 if you just 60?
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julia-pushkina [17]

Answer:

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