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a dumb 2 step equation i always mess up. help?  TOPIC_SOLVED

hiii, i have a question about this question i always mess up on. i think i got it but im not sure. i went back to look at problems a got wrong a while ago, and this is one of them. here it is: if three times jills bowling score is increased by 100 less than twice her score, the result is 900. find ...
by xXphotographyXx
on Tue Oct 20, 2009 1:03 am
 
Forum: Beginning Algebra
Topic: a dumb 2 step equation i always mess up. help?
Replies: 3
Views: 1630

Re: a dumb 2 step equation i always mess up. help?  TOPIC_SOLVED

alright. thanks both of you:]]

let x= jills score
3x+2x-100=900
5x-100=900
5x=1000
x=200


CHECK(hehe,i forgot this step):
3(200)+2(200)-100=900
600+400-100=900


:D
i got it!
thanks for your help! :D
by xXphotographyXx
on Wed Oct 21, 2009 1:22 am
 
Forum: Beginning Algebra
Topic: a dumb 2 step equation i always mess up. help?
Replies: 3
Views: 1630

Re: What is your favorite math, why, & how do you study for it?

i absoulutly haatteee rates. there so annoying. i love propotions, such as: a boy was standing by a flagpole. he is 4ft 11 in. his shadow was 5ft 6 in. the flagpole was 8ft tall. how big was the flagpoles shadow. i also love missing piece problems, such as: there are three brothers. there names are ...
by xXphotographyXx
on Thu Oct 22, 2009 1:33 am
 
Forum: Uncategorized
Topic: What is your favorite math, why, & how do you study for it?
Replies: 8
Views: 11788

semister quiz tomorrow.  TOPIC_SOLVED

semester quiz tomorrow, any suggestions? the 8th grade is being compared to the high school. im so nervous. any suggestions as to what to do? i get reaaaallllllyyyy nervous when it comes to tests and quizzes. its timed, and its my first timed test.
by xXphotographyXx
on Sun Nov 01, 2009 10:46 pm
 
Forum: Beginning Algebra
Topic: semister quiz tomorrow.
Replies: 2
Views: 1172

8m board cut into 2; 1 piece 2m longer than other; how long?  TOPIC_SOLVED

A 8m board is cut into two pieces. One piece is 2m longer than the other. How long are the pieces?


how would you solve? :confused:
by xXphotographyXx
on Sun Nov 01, 2009 11:01 pm
 
Forum: Beginning Algebra
Topic: 8m board cut into 2; 1 piece 2m longer than other; how long?
Replies: 2
Views: 1386

Re: semister quiz tomorrow.  TOPIC_SOLVED

alright. thank you for your help and suggestions. ithink i did pretty well. ohh well.thaaaanxxx
by xXphotographyXx
on Tue Nov 03, 2009 1:54 am
 
Forum: Beginning Algebra
Topic: semister quiz tomorrow.
Replies: 2
Views: 1172

Re: 8m board cut into 2; 1 piece 2m longer than other; how long?  TOPIC_SOLVED

ohkay. i think i understand it. thaannxxx
by xXphotographyXx
on Tue Nov 03, 2009 1:58 am
 
Forum: Beginning Algebra
Topic: 8m board cut into 2; 1 piece 2m longer than other; how long?
Replies: 2
Views: 1386

"heartbeat"on a graph

what is the heartbeat looking thing on a graph? it means up to that number. like at the origin, before the first number, there is a zigzag line that looks like something on a heart monitor.
help appreciated.
by xXphotographyXx
on Sun Jan 10, 2010 2:00 am
 
Forum: Beginning Algebra
Topic: "heartbeat"on a graph
Replies: 1
Views: 1029

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