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Amanda [17]
3 years ago
9

How many ounces of a 12% alcohol solution and a 22% alcohol solution must be combined to obtain 80 ounces of a 17% solution?

Mathematics
1 answer:
Fed [463]3 years ago
4 0

Answer:

40 ounces

Step-by-step explanation:

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What is 3.2 x 10^-8 expressed as a decimal?
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Answer:

3.2MULTIPLY10-8

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Answer the following question. What is 6x-7-12x+3?
wariber [46]

Answer:

-6x-4

Step-by-step explanation:

Combine 6x and −12x to get −6x.

−6x−7+3

Add −7 and 3 to get −4.

−6x−4

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makkiz [27]
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3 years ago
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boyakko [2]

Depends on if you want it rounded.

14.47

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3 years ago
Directions - For the following problem, write a paragraph proof to justify each step you make. All work must be neat,
nlexa [21]

$ PS = \frac{4}{3} x

Solution:

Given PRQ is a triangle.

ST is a line parallel to RQ.

$PT = x, \ PQ = 3x,  \ SR=\frac{8}{3}x

TQ=PQ-PT

TQ=3x -x=2x

<u>Triangle proportionality theorem,</u>

<em>If a line parallel to one side of a triangle intersects the other two sides, then it divides the two sides proportionally.</em>

$\frac{PS}{SR} =\frac{PT}{TQ}

$\frac{PS}{\frac{8}{3} x} =\frac{x}{2x}

Do cross multiplication, we get

$ PS \times 2x=x \times \frac{8}{3} x

Divide by 2x on both sides, we get

$ PS = \frac{4}{3} x

4 0
3 years ago
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