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Sedbober [7]
3 years ago
10

5% 0f a number is 23 1% of the same number is 4.6 work out 16% of the number

Mathematics
2 answers:
sveta [45]3 years ago
6 0

The 16% of 460 is 73.60 .

<u>Step-by-step explanation:</u>

Here we have ,  5% of a number is 23  ,1% of the same number is 4.6 . We need to find the number . Let's find out:

Let the number x so according to question , 5% of a number is 23  i.e.

⇒ \frac{Number(5)}{100}=23

⇒ \frac{x(5)}{100} = 23

⇒ \frac{x}{20} = 23

⇒ \frac{x}{20} (20)= 23(20)

⇒ x= 23(20)

⇒ x= 460

Also , 16% of x is :

⇒ \frac{460(16)}{100}=73.6

Therefore , The 16% of 460 is 73.60 .

strojnjashka [21]3 years ago
4 0

16% of the number is 73.6

<u>Explanation:</u>

Let x be the number

According to the question:

\frac{5}{100} X x = 23\\\\x = \frac{2300}{5} \\\\x = 460

The number is 460.

1% of the same number is 4.6

Proof-

\frac{1}{100} X 460 = 4.6

16% of the number = ?

\frac{16}{100} X 460 = 73.6

Therefore, 16% of the number is 73.6

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Answer:

The height of the triangle could be found by the <u>Pythagoras theorem</u>, where the result is, with the data of the exercise:

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  • <u>Area of the triangle = 31.176 units^2</u>

Step-by-step explanation:

When you have two measurements of a triangle, as the case in the picture, you can find the third with the <em>Pythagoras theorem</em>, which is:

  • <u>(opposite leg)^2 + (adjacent leg)^2 = hypotenuse^2</u>

As you can see in the picture, the measurement of the hypotenuse is 12, and the opposite leg could be 6, for this reason, we're gonna clear the adjacent leg of the formula above:

  • (opposite leg)^2 + (adjacent leg)^2 = hypotenuse^2
  • (adjacent leg)^2 = hypotenuse^2 - (opposite leg)^2

Now, we can replace the values in the formula obtained:

  • (adjacent leg)^2 = hypotenuse^2 - (opposite leg)^2
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Now, as we just need the adjacent leg, we take the square root of both sides:

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Now, with these data, we can find the area of the triangle with the next formula:

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  • And we replace the measurements:
  • Area of a triangle = (6 * 10.392) / 2
  • <u>Area of a triangle = 31.176</u>

As the image does not contain units, it would be simply this number, however, <em>you should know that the area units are usually given squared, for example: in^2 or ft^2</em>.

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3 years ago
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