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denpristay [2]
3 years ago
15

Homework Help! ASAP

Mathematics
1 answer:
Mariana [72]3 years ago
3 0

Answer:

The cost of apple juice per ounce is 20 cents.

Explanation:

We know that a

16

ounce bottle is

$

3.20

and we want to find how much per ounce is.

So we set up a proportion and let

x

be the cost of one ounce:

16

3.20

=

1

x

Now we can cross multiply:

16

x

=

3.20

Divide both sides by

16

:

16

x

16

=

3.20

16

Therefore,

x

=

0.20

The cost of apple juice per ounce is 20 cents.

Hope this helps!

Step-by-step explanation:

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Answer:

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PROBLEM ONE

•

Solving for x in 2x + 5y > -1.

•

Step 1 ) Subtract 5y from both sides.

2x + 5y > -1

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Step 2 ) Divide both sides by 2.

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So, the solution for x in 2x + 5y > -1 is...

\displaystyle\ x > \frac{-1 - 5y}{2}

•

Solving for y in 2x + 5y > -1.

•

Step 1 ) Subtract 2x from both sides.

2x + 5y > -1

2x - 2x + 5y > -1 - 2x

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5y > -1 - 1x

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So, the solution for y in 2x + 5y > -1 is...

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•

PROBLEM TWO

•

Solving for x in 4x - 3 < -3.

•

Step 1 ) Subtract 3 from both sides.

4x - 3 < -3

4x -3 - 3 < -3 - 3

4x < 0

Step 2 ) Divide both sides by x.

4x < 0

\displaystyle\frac{4x}{4}

x < 0

So, the solution for x in 4x - 3 < -3 is...

x < 0

•

•

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