i forgot and it isn't in my book...i got to answer this question:
a board is leaning against a building so tht the top of the board reaches a height of 18 ft. the bottom of the board is the ground 4 ft away from the wall. what is the slope of the board as a positive number?
any help will be appreciated..
2007-02-05 10:55:27 · 4 answers · asked by DDTHAPPINESS 5 in Education & Reference ➔ Homework Help
for this one it seems like you need Pythagorean theorem .. (a² + b² = c²) to find the length of that
BUT anyways.... you would find the 2 points.. and then use y2-y1 / x2-x1.. .to find the slope.. the points seem to be (0,0) and (4,18)
hope i helped
2007-02-05 11:15:44 · answer #1 · answered by lala 2 · 1⤊ 0⤋
Rise over run
change in x=rise
change in y=run
2007-02-05 19:01:22 · answer #2 · answered by Super Girl 2 · 2⤊ 0⤋
y = mx +b where m is the slope i think...
find m if i remember... which i dont...
2007-02-05 19:00:48 · answer #3 · answered by Anonymous · 0⤊ 0⤋
what super girl said. it is also called a gradient....i think
2007-02-05 19:08:57 · answer #4 · answered by ? 3 · 0⤊ 0⤋