Posted by **Don** on Thursday, October 8, 2009 at 1:54pm.

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.

- Algebra 1A -
**Don**, Thursday, October 8, 2009 at 2:34pm
X+3y= 6 find the slope m=3 I'm I correct

- Algebra 1A -
**MathMate**, Thursday, October 8, 2009 at 2:57pm
To calculate the slope, calculate the

rise (vertical) = 14588 - 8200 ft

run (horizontal) = 15842 ft

The slope is rise/run, convert to 100%.

- Algebra 1A -
**Don**, Thursday, October 8, 2009 at 3:41pm
Determine whether 7.5 is a soultion for the inequality.X>5. i chose yes I'm I correct

- Algebra 1A -
**MathMate**, Thursday, October 8, 2009 at 3:58pm
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.

- Algebra 1A -
**Don**, Thursday, October 8, 2009 at 5:22pm
Solve, 5X>45. The correct solution is

X[X>9 I'm I correct or close to it

- Algebra 1A -
**MathMate**, Thursday, October 8, 2009 at 6:28pm
Yes, it's correct, I think you got the hang of it.

How about

4-3x>16 ?

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