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Delicious77 [7]

3 years ago

5

A 80-milliliter solution of a fabric dye contains 4 ml of hydrogen peroxide. What is the percent concentration of the hydrogen p

eroxide?

1 answer:

fgiga [73]3 years ago

6 0

Answer:

idk

Step-by-step explanation: good luck

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Kevin can travel 22 1/2miles in 1/3hour. What is his average speed in miles per hour?

Reptile [31]

Answer:

67.5 miles per hour

Explanation:

22 1/2 * 3 = 67.5

7 0

3 years ago

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Please help me!! <br> solve 31 = x + 25.5

serious [3.7K]

Answer:

x = 5.5

General Formulas and Concepts:

<u>Pre-Algebra</u>

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

31 = x + 25.5

<u>Step 2: Solve for </u><em><u>x</u></em>

Subtract 25.5 on both sides: 5.5 = x
Rewrite: x = 5.5

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A

Step-by-step explanation:

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The area of a circular swimming pool is approximately 18 m2. Which is the best estimate of the radius (r)?

DENIUS [597]

Answer:

the radius=9m2

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