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3 years ago

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A scientist needs 15 liters of 25% acid solution for an experiment, but she only has a 10% solution and a 35% solution.How many

liters of the 10% and the 35% solutions should mix to get the solution she needs?

1 answer:

Artyom0805 [142]3 years ago

8 0

By far fcurcutcugvpjvlg chi cig m

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What two numbers add up to 18 and multiply to 80

mestny [16]

Answer:

8 and 10

Step-by-step explanation:

First, let's look at the factors of 80.

1 • 80 = 80

2 • 40 = 80

4 • 20 = 80

5 • 16 = 80

8 • 10 = 80

Look at each pair and evaluate their sum.

1 • 80 = 80

1 + 80 = 81

2 • 40 = 80

2 + 40 = 42

4 • 20 = 80

4 + 20 = 24

5 • 16 = 80

5 + 16 = 21

8 • 10 = 80

8 + 10 = 18

Our last pairing multiplies to 80 and adds up to 18. Therefore, your answer is 8 & 10.

Hope this helps!

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3 years ago

Cheddar cheese cost $4.25 per pound. Which equation best represents y, the total cost of x pounds of cheddar cheese? Group of an

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Answer:

I'm going to edit this later, but do you have the full question?

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3 years ago

(Round to the nearest tenth of a percent.) In 2011, the IRS increased the deductible mileage cost to

RUDIKE [14]

Answer:

$\%Change = 8.8\%$

Step-by-step explanation:

Given

$Initial = 51\ cents$

$Final = 55.5\ cents$

Required

Determine the percentage change

Percentage change is calculated as;

$\%Change = \frac{Final - Initial}{Initial} * 100\%$

$\%Change = \frac{55.5 - 51 }{51 } * 100\%$

$\%Change = \frac{4.5}{51} * 100\%$

$\%Change = \frac{4.5* 100\%}{51}$

$\%Change = \frac{450\%}{51}$

$\%Change = 8.8\%$

<em>Hence, the percentage change is approximately 8.8%</em>

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Answer:

8,4,0,-3,-5

Step-by-step explanation:

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