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kotykmax [81]
3 years ago
6

What is the percent decrease from 350 to 70?

Mathematics
1 answer:
jeka943 years ago
7 0
In order to get the answer to this question, we first have to subtract 350 and 70 in order to get the unit change of the two numbers. So after subtracting 350 and 70, we will get an answer of 280. After that, we simply divide 280 with 350 in order to get the percentage of change. After division, we will get an answer of 0.8. In order to get the percentage form of that value, we will just multiply 0.8 with 100 to get 80 or 80%
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Ys is the perpendicular bisector of xz. What is the length of Xs if xz is 18 inches long?
exis [7]

Answer:

XS is 9 inches long.

Step-by-step explanation:

Given that

YS is the perpendicular bisector of XZ.

Length of XZ = 18 inches

To find:

Length of XS = ?

Solution:

First of all, let us learn about the perpendicular bisector.

Perpendicular bisector of a line <em>AB</em> is a line <em>PQ</em>, which divides the line AB in two equal parts and is at an angle of 90^\circ with the line AB.

If B is on the line PQ, then BP = BQ = \frac{PQ}{2} and

\angle ABP = \angle ABQ = 90^\circ

Applying the above property in our given question.

Kindly refer to the attached image for the given dimensions.

S is on the line XZ.

XS = SZ = \frac{XY}{2} = \dfrac{18}{2} \\\Rightarrow \bold{XS = 9\ inches}

So, the answer is XS is 9 inches long.

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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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