Mathematics
16 Online
OpenStudy (anonymous):
4/3 *t=-5/2???? help
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
you mean
\[(4/3)t=-5/2\]
or
\[4/(3t)=-5/2\]
OpenStudy (anonymous):
the first
OpenStudy (anonymous):
okk then multiply both sides by 3/4
OpenStudy (anonymous):
to get rid of (4/3)
OpenStudy (anonymous):
i dont get it
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
you want a full answer ? :) ?
OpenStudy (anonymous):
well i need help to understand what to do
OpenStudy (anonymous):
so it would be 15/8
OpenStudy (anonymous):
so close :) -15/8 :)
OpenStudy (anonymous):
can u explain to me the operations with neg and post numbers i ddont know how it goes
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
i kno two neg makes a pos
OpenStudy (anonymous):
\[(4/3)t=-5/2\]
we need to "isolate" t
so what should we do !
multply both sides by 3/4
because (3/4)*(4/3)t=t
did you get or not :) !
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
sorry ! I'm not a good teacher :( !
OpenStudy (anonymous):
oh u did good fractions are hard for me
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
yeaah ! I know...It was hard for me too ; one day !
just practise more ! :)
OpenStudy (anonymous):
\[-18= -20a\]
OpenStudy (anonymous):
do i multiply by the -20
OpenStudy (anonymous):
no ; we had 4/3 and we reverse it we multiplied b 3/4
now !reverse -20 what would you get ?! :)
OpenStudy (anonymous):
1/20
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
and u didn't forget anything ?! :)
OpenStudy (anonymous):
4/5
OpenStudy (anonymous):
gooood ! the answer is good ! but you had to multiply by -1/20 ! I guess this is what you di :) :)
OpenStudy (anonymous):
did*
OpenStudy (anonymous):
yeea so the answer is -4/5
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
just did one by myself tell me if i got it
OpenStudy (anonymous):
okk if you (-1/20)*(-18)
negative by negative = ?
OpenStudy (anonymous):
\[4/5\div8=4/5 *1/8=4/40=1/10\]
OpenStudy (anonymous):
yeaaaah !! good !
OpenStudy (anonymous):
positive
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
yeaaah so the correct answer was ... ?!
OpenStudy (anonymous):
4/5
OpenStudy (anonymous):
yeaaah !! that's correct !
OpenStudy (anonymous):
how many 2/3 cups cereal bowl frow 10 cups of cereal\[2/3 *1/10= 2/30=1/15\]
OpenStudy (anonymous):
from*
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
it can't be true ! why ?!
because 1/15 is not even one cup !
you can correct it !
OpenStudy (anonymous):
were did i go wrong
OpenStudy (anonymous):
(2/3) *10
OpenStudy (anonymous):
did you get it ! ?!
OpenStudy (anonymous):
i se e my mistake
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
is it 15
OpenStudy (anonymous):
not really :)! Sorry ; :( I got to go ! :(
OpenStudy (anonymous):
k