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Jlenok [28]
3 years ago
10

Jami bought 4 cookies that cost $1.45, each. She paid with 6 one-dollar bills. how much change does Jami recive?

Mathematics
2 answers:
Semenov [28]3 years ago
8 0

Answer: $0.20

Step-by-step explanation:

Do 4 *$1.45 = $5.80

This is how much her total was.

She gave $6 in cash.

Subtract.

6-5.80=$.20

iren2701 [21]3 years ago
3 0

Answer:

$0.20

Step-by-step explanation:

4 x 1.45 = $5.80

6.00 - 5.80 =<u> 0.20</u>

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Answer with Step-by-step explanation:

We are given that

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

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To prove that f is one -to-one.

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By using the definition of f to rewrite the left hand side of this equation

f(x_1)=\frac{3x_1-1}{x_1}

Then, by using the definition of f to rewrite the right hand side of this equation  of f(x_1)=f(x_2)

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Equating the expression then we get

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3x_1x_2-3x_1x_2+x_1=x_2

x_1=x_2

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