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Mathematics
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OpenStudy (firejay5):
Simplify. Show Work!!!!!!
18. 5t - 5 over t^2 - 1
19. c + 5 over 2c + 10
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OpenStudy (raden):
hint : 5t-5 = 5(t-1)
t^2 - 1 = (t+1)(t-1)
OpenStudy (raden):
cancel out t+1
OpenStudy (raden):
t-1, i meant :)
OpenStudy (firejay5):
The Answer is 5 over t + 1
OpenStudy (raden):
yup
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OpenStudy (firejay5):
I just need work to show it
OpenStudy (raden):
5t - 5/ t^2 - 1
= 5(t-1) / (t+1)(t-1)
= ur answer above
OpenStudy (firejay5):
What about 19
OpenStudy (raden):
do same idea for Q)19
factor out 2c+10 be 2(c+5)
cancel out the c+5, get ur answer
OpenStudy (firejay5):
I have a question
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OpenStudy (raden):
what is it ?
OpenStudy (firejay5):
Whenever I simplify, do I have to show my work, unless the teacher tells you to
OpenStudy (raden):
actually, YES!
show and explain it so that ur techer happy :)
OpenStudy (firejay5):
I got 1/2 for question 19
OpenStudy (raden):
exactly, that's right
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OpenStudy (firejay5):
I got my answer, it's just sometimes it's hard for me to show my work
OpenStudy (firejay5):
on question 19 how is it 1/2, is it because when you cancel c + 5 then the numerator is 1 and the 2 is on the denominator
OpenStudy (raden):
exercises by continue...
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