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sineoko [7]
2 years ago
9

If 30% of a number is 15, what is 25% of the number?

Mathematics
1 answer:
Scorpion4ik [409]2 years ago
3 0

Answer:

12.5

Step-by-step explanation:

Basically, the number was multiplied by .3 to get 15. So if you do 15/.3 you'll get your original number which is 50. Then you multiply by .25 and get 12.5.

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kiruha [24]

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Step-by-step explanation:

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3 years ago
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PolarNik [594]

Answer:

The answer is 4a

Step-by-step explanation:

1) Simplify 4a² + 12a² to 16a².

\sqrt{ {16a}^{2} }

2) Use this rule:

\sqrt{ab}  =  \sqrt{a}  \sqrt{b}

\sqrt{16}  \sqrt{ {a}^{2} }

3) Since 4 × 4 is 16, the square root of 16 is 4.

4 \sqrt{ {a}^{2} }

4) Simplify.

4a

<u>Therefor</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>4a</u><u>.</u>

8 0
2 years ago
26:12
wlad13 [49]

Step-by-step explanation:

Function of the cylinder is to measure liquid volumes accurately. They are extensively used in chemistry and biology labs, where quantities of accurately measured liquids need to be used. They are purposely designed to be long, with a shorter diameter compared to beakers, to facilitate accurate measurements.

6 0
3 years ago
The measure of an angle is 44 degrees. What is the measure of its complementary angle?
sweet [91]

Answer:

I think the measure of its complementary angle is <u>46</u> because 44 + 46 = 90 and a complementary angle should equal 90 degrees.

Step-by-step explanation:

3 0
3 years ago
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