Solve for n 3n + 2 - 2n + 5 = 17 (Combine like terms then solve.)
2 answers:
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<u>Given:</u>
Take west to be the positive direction. The height of a sloped roof above the place where you stand is 12 feet. If you move 3 feet west, the height is 10 feet.
We need to determine the slope.
Let x denote the standing place.
Let y denote the height.
Writing the given as coordinates, we get;
(0,12) and (3,10)
<u>Slope</u>:
The slope can be determined using the formula,
Substituting the coordinates (0,12) and (3,10), we have;
Thus, the slope is
We can use the distance formula to find the distance between these points.
Distance formula:
√(-5 - 6)² + (-3 - (-3))²
√121 = 11
The difference between the points is 11.