Answer:
7
Step-by-step explanation:
16x + 22 = 134 ..... because if the two lines are parallel alternative exterior angles are congruent
16x = 134 - 22
16x = 112
x = 7
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We let y equal to the elevation above sea level so that the elevation of the rock climber after x minutes of climbing would be:
y = 2x + 50
His initial height can be calculated when x is equal to zero it is when the climber is not yet climbing. Therefore, the rock climber'sinitial height above sea level would be 50 meters.
<span> Move to the right side of the </span>equation<span> by adding to both sides.</span>
The cars travel at a 21MPH difference, so if we divide 460 by 21, we get 21.9
Answer: 21.9 hours
