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Alenkinab [10]
3 years ago
13

The sum of two right angles always, sometimes, never results in a straight angle. Justify answer

Mathematics
1 answer:
alekssr [168]3 years ago
3 0
Sometimes
I hope that helps u
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Aleonysh [2.5K]
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Please help me solve this (ASAP)
joja [24]
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The answers please. Don’t know how to do #1
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What does x+x+x+x+x-1+1+1+1= ?<br><br> (Giving this for 30 points)
77julia77 [94]

First, let's add all the x's.

x + x + x + x + x = 5x

5x - 1 + 1 + 1 + 1

Now, let's add together all the 1's that are being added (not the 1 that is being subtracted from 5x).


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7 0
3 years ago
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Theresa is 14 years younger than her brother. Together, their total age in years is 35.
solniwko [45]
Let :
T = Theresa age
H = her brother
We know :
T = H - 14
T + H = 35
Substitute T
H -14 + H = 35
2H - 14 = 35
2H = 49
H = 49/2 = 24.5
Since we know H = 24.5 we then can substitute it to either equation.
T = H - 14
T = 24.5 - 14
T = 10.5
Theresa is 10.5 years old
Her brother is 24.5 years old

4 0
3 years ago
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