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soldi70 [24.7K]
3 years ago
12

PLEASE HELP ASAP ILL GIVE 20 POINTS

Mathematics
1 answer:
yawa3891 [41]3 years ago
3 0

Answer:

64/27

Step-by-step explanation:

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How much water should be added to a 15 gallon solution of 35% hydrogen peroxide to create an 8% solution? how many gallons would
katrin2010 [14]

15 gallons of 35% peroxide solution contains 0.35 × 15 = 5.25 gallons of hydrogen peroxide. The rest of the volume is made up of 15 - 5.25 = 9.75 gallons of water.

If we add x gallons of water to the solution, the amount of hyrdrogen peroxide in the solution stays the same, but the volume of water increases to 9.75+x gallons, and the total volume increases to 15+x gallons.

To get a concentration of 8% in this diluted solution, we add x gallons of water such that

\dfrac{5.25}{15+x} = 0.08

Solve for x.

5.25 = 0.08 (15 + x)

5.25 = 1.2 + 0.08x

0.08x = 4.05

x = 50.625

To get the desired concentration, one must add 50.625 gallons of water, and one will end up with a total volume of 65.625 gallons of solution.

7 0
2 years ago
Which formula can be used to find the nth term of the geometric sequence below?
diamong [38]

Answer:

nth term =  (1/6)(6)^(n-1).

Step-by-step explanation:

The first term a1 = 1/6 and the common  ratio r =  1 / 1/6 = 6, also 36/6 = 6 which confirms this.

So the nth term = a1 r^(n - 1)

= (1/6) 6^(n-1).

8 0
4 years ago
Gordon types 1,922 words in 31 minutes. Find the unit rate
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Answer:

64.2580645161 words in a minute

Step-by-step explanation:

Hope that helps!

8 0
3 years ago
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Revenue in 2000 for a bakery chain totaled $10 billion from 5,562 shops nationwide. During the next 10 years, the bakery had to
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I believe it would be $1,797,914.42
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The middle questions answer, plz help
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Im pretty sure its 58. your welcome
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4 years ago
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