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mariarad [96]
3 years ago
8

Find x+y ....................

Mathematics
1 answer:
ANEK [815]3 years ago
4 0

Answer:

x + y = 170

Step-by-step explanation:

360 = 110 + x + y + 80

x + y = 360 - 110 - 80

x + y = 170

To understand this, take scissors and look at the angles how they change when you change the angle... there are always just TWO different angles and each of the angle has its exact counterpart on the opposite side. Now look again at this illustration and you will get it!

Another information, sum of all the angles inside of any rectangle is always 360 degrees!

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If 50% is 10 what is 25%​
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Step-by-step explanation:. The first says “I know that 10 is one-tenth of 100. I will therefore divide 50 by 10. The answer is 5”.

This is fine when the numbers are relatively simple. But suppose the numbers are more complicated.

What is 22% of 46?

Now it’s much less straightforward. You can’t just work out what 22% is, expressed as a fraction, and anyway, it’s not a simple fraction.

Instead, you have to divide 46 into 100 equal parts, and work out what 22 of them would be when added together.

So: 46 ÷ 100 = 0.46 [remember, when you divide by 100, you move the decimal point two places to the left].

0.46 × 22 = 10.12

Answer: 22% of 46 is 10.12.

Hope this helped :)

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