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rjkz [21]
3 years ago
10

An angel is 20 degrees less than the measure of its supplement . Find the measure of the angle

Mathematics
1 answer:
Vladimir [108]3 years ago
5 0
Let the supplement angle be x.

Supplement angles add up to 180:
x + x - 20 = 180
2x - 20 = 180
2x = 200
x = 100

Angle = 100 - 20 = 80

Answer: The angle is 80°
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Which of the following statements must be true about this diagram?
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A, C, D

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A, C, D

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2 years ago
How many times greater is The total area of Russia than the total area of Finland? Finland total area is 3.4 x 10 to the 5th pow
Luden [163]

Answer:

The answer to your question is Russia is 50 times greater than Finland.

Step-by-step explanation:

Data

Finland area = 3.4 x 10⁵ km²

Russia area = 1.7 x 10⁷ km²

Proportion = ?

Process

1.- Just divide the Russia's area by the Finland's area.

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6 0
3 years ago
5a – 10b = 45, when b = 3
balandron [24]


Well, since you have the value of b, the first thing you want to do is substitute that value in for b.

5a - 10(3) = 45

10*3 = 30

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5a = 75

Now, you divide by 5 to finish getting a by itself.

a = 15

Hope this helps!

6 0
3 years ago
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How many permutations can be formed from the letters of the word tennessee ?
Over [174]
<span>3780 If you consider every letter in the word "tennessee" to be unique there is 9!, or 362880 different ways to arrange the letters. So let's use that as a starting point. Now there's 4 e's, which we really don't care how they're arranged. So divide by 4!, or 24. Giving us 362880/24 = 15120 different ways to arrange the letters. There's also 2 n's. So divide by 2!, giving us 15120/2 = 7560 different ways. Don't forget the s's either. So another division by 2!, giving 7560/2 = 3780 different ways. And there's no more duplicate letters, so the final figure is 3780 different ways to arrange the letters in the word "tennessee".</span>
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3 years ago
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