Mathematics
11 Online
OpenStudy (anonymous):
x = –12.
3x – 17
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OpenStudy (skullpatrol):
any ideas?
OpenStudy (texaschic101):
what are you asking ?
OpenStudy (texaschic101):
oh....sub -12 in for x
OpenStudy (ryguy):
it should be -53
OpenStudy (anonymous):
Evaluate the expression when
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OpenStudy (anonymous):
what about this one?? t = –6.4 and u = –2.8.
t – 4u
OpenStudy (skullpatrol):
find the value of the expression by replacing the variable by the number
OpenStudy (ryguy):
-6.4 - 11.2
OpenStudy (ryguy):
-17.6
OpenStudy (anonymous):
-4.8..?
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OpenStudy (ryguy):
-17.6 is the answer
OpenStudy (skullpatrol):
stop just giving the answer
OpenStudy (anonymous):
that was wrong
OpenStudy (ryguy):
oh. sorry. skul patrol takes over now.
OpenStudy (skullpatrol):
you solve it, now that i showed you how
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OpenStudy (skullpatrol):
find the value of the expression by replacing the variable by the number
OpenStudy (anonymous):
its 4.8
OpenStudy (ryguy):
oops i see what i did wrong. you were on the right track the first time.
OpenStudy (anonymous):
ugg lol well i made an 80
OpenStudy (anonymous):
thanks guys(:
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OpenStudy (ryguy):
so multiply negative 2.8 by 4
OpenStudy (skullpatrol):
thanks for trying to understand
OpenStudy (ryguy):
and then replace that with 4u then take - 6.4 and replace that with "t" then try the equation again