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Mathematics 15 Online
OpenStudy (anonymous):

find the value of x 3x-15 2x+10

OpenStudy (anonymous):

there is no x to find

OpenStudy (anonymous):

thats what i was thinking this question is stupid >.<

OpenStudy (anonymous):

is that exactly how it's written is there any equal sign?

OpenStudy (anonymous):

well it asks me to find the value of x of points ill aput a url of the picture to make it more sence

OpenStudy (anonymous):

ok hold up

OpenStudy (anonymous):

nvm it's there, where is the part where it's asking you to find something?

OpenStudy (anonymous):

Andy is observing a flight of stairs. PQ is parallel to ,RS as shown. The measure of PQR = (3x-15)(the degrees sign) and the measure of .QRS(2x+10)(degrees sign)

OpenStudy (anonymous):

oh so this is about angles then

OpenStudy (anonymous):

i didnt notice the angle part till now lol sorry

OpenStudy (anonymous):

do you still need help?

OpenStudy (anonymous):

yes and its multiple choice the choices are: 15,19,25,37

OpenStudy (anonymous):

ok first what do you know about the relationships of angles on parallel lines?

OpenStudy (anonymous):

a transversal cuts two parallel lines; all the acute angles are congruent among them, and all the obtuse angles are congruent among them, and that if you add one acute and one obtuse they are supplementary A line passing through two or more lines in a plane is called a transversal. these are in my notes from classs

OpenStudy (anonymous):

im really not good at math but i do the best i can

OpenStudy (anonymous):

ok what is the relationship between these 2 angles? |dw:1322790225553:dw|

OpenStudy (anonymous):

i kinda feel stupid right now but im guessing because of the line intersecting???

OpenStudy (anonymous):

ok well you know that when you have an X opposite angels are equal right?

OpenStudy (anonymous):

mhm

OpenStudy (anonymous):

|dw:1322790368915:dw|

OpenStudy (anonymous):

this is also true if you have parallel lines |dw:1322790407645:dw|

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