Answer:
x = 15
Explanation:
First, add both equations on one side, and set it equal to 180° because it's supplementary:
2x + 8 + 8x + 22 = 180
combine like terms:
10x + 30 = 180
subtract 30 on both sides of the equation and you end up with:
10x = 150
divide both sides by 10 and you get:
x = 15
Answer:
4^x+1
Step-by-step explanation:
because i got it wrong
Answer:
21.43 mph
Step-by-step explanation:
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Answer:
When given 2 sides of a triangle, the third side must be:
Greater than the difference of the other 2 sides AND
less than the sum of the other 2 sides.
So side "x" must be greater than
(8 -5) and less than (8 +5) or
3 < "x" < 13
Source: http://www.1728.org/trianinq.htm
Step-by-step explanation:
Alternatively, you can write radicals as rational exponents, so that you get
Then recalling that
, you have
