Algebra 1A
posted by Don .
From a base elevation of 8200 ft. a mountain peak in colorado rises to a summit elevation of 14588 ft. over a horizonal distance of 15842 ft. find the grade of the peak.
The grade of the peak.
The grade of the peak is %.
Round to the nearest tenth as needed.
Someone help please!!
Thank you.

X+3y= 6 find the slope m=3 I'm I correct

To calculate the slope, calculate the
rise (vertical) = 14588  8200 ft
run (horizontal) = 15842 ft
The slope is rise/run, convert to 100%. 
Determine whether 7.5 is a soultion for the inequality.X>5. i chose yes I'm I correct

You're correct, but draw them on the number line to make sure you understand the answer.
∞+0+5+7.5+∞
Numbers on the right are greater than the numbers on the left. So if 7.5 is situated on the right of 5, then it is greater than 5. 
Solve, 5X>45. The correct solution is
X[X>9 I'm I correct or close to it 
Yes, it's correct, I think you got the hang of it.
How about
43x>16 ?
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