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It might help to draw a picture |dw:1348965652833:dw|
I thought that i would subtract 125 and 52 to get the answer.. but i wasnt so sure that wass right.
no, you add actually
125 + 52= 177 :)
you got it again
Thanks!! I actualy have one more question if thats ok? :))
sure go for it
:))!! The map shows the route for a race. You are at A, which is 6000 feet from the first checkpoint B. The second checkpoint C is located at the midpoint between B and the end of the race D. The total race is 3 miles. How far apart are the 2 checkpoints?
|dw:1348969689076:dw| This is the pic it has with
6000 feet = 1.13636 miles (roughly)
The total length of AD is 3 miles, so 1.13636 + x + x = 3 solve that for x to find the answer
alternatively, you can convert 3 miles to feet to get 3 miles = 15,840 feet
then solve 6000 + x + x = 15840 for x to get the answer in feet
Do I combine both x's?
yes x+x becomes 2x
then you have 6,000 + 2x = 15,840.. u -6000 to both sides and get 2x = 9840.. now divide that by 2 and X = 4920
perfect, the distance is 4920 feet
to convert that to miles (optional in my opinion, but you never know), divide that by 5280
Divide 4920 and 5280?
yes, if you want to convert to miles, but I like the answer in feet (it's a much cleaner number)
Ahh i get what u mean :) Heyy sorry but could I bother u for one more. last one I promise :)
no worries, i like helping, what's your question?
Thanks!!! theres just alot of problems I dont get.. and hate to ask :) But Im glad you like helping.. makes me feel better. Felt like I was askin for to much. Ray GL bisects angle FGM. Suppose angle FGL measures (6x +4)º while angle LGM measures (8x - 4)º. What is the measure of angle FGM?
thx for the drawing |dw:1348967137392:dw|
see how to get FGM ?
I add 6x +4 and 8x - 4?
6x + 4 = 8x - 4 14x + 4 = -4 Im stuck
no you just add the two expressions
(6x+4)+(8x-4) 6x+4+8x-4 (6x+8x)+(4-4) 14x + 0 14x
:) Ohh.. and then?
that's it, FGM is 14x degrees
oh wait, i just remembered that GL bisects FGM
you're right (my bad) 6x + 4 = 8x - 4 6x + 4-4 = 8x - 4 -4 6x = 8x - 8 6x-8x = 8x - 8-8x -2x = -8 -2x/(-2) = -8/(-2) x = 4
so FGM = 14x FGM = 14*4 FGM = 56 So angle FGM is 56 degrees
Thanks!! its okk :) it makes sense now