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Bogdan [553]
3 years ago
11

What does x equal? ​

Mathematics
1 answer:
nordsb [41]3 years ago
6 0
(3x - 10) + 45 + (2x + 10) = 180 (the sum of the angles is 180)
3x - 10 + 45 + 2x + 10 = 180
3x + 2x = 180 + 10 - 45 -10
5x = 135
x = 27

3(27) - 10 = 71 (first angle)
2(27) + 10 = 64 (second)
45 (third)


71 + 64 + 45 = 180
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3.6 years

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4 0
3 years ago
In a certain sequence, each term, starting with the 3rd term, is found by multiplying the previous two terms. what is the differ
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5 0
3 years ago
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