solve 0.6x+3≤1.4x-2 solve
start with \[6x+30\leq 14x-20\] so make your live easier
What he said.
subtract 6x to get \[30\leq 8x-20\] add 20 to get \[50\leq 8x\] divide by 8 and be done
30 + 20 <_ 14x - 6x 50 <_ 8x 50/8 <_ x 25/4 <_x
\[x \ge 6.25 \]
saifoo has the most reliable answer and matches the equation most accurately.
hehe. thank you!! ^_^
saifoo did you get my soybean, cormeal-protien percentage question?
That is incomplete question
It went like this-hold on
Yes..It seems to have no useful information to solve the problem,
Right.
that stuff is useless.. hehe
Soybean meal is 16% protien, cornmeal is 8% protien.How many pounds of each shoud be mixed together to get a 320 pound mixture that is 12% protien?
S: number of pounds of soybean C: number of pounds of cornmeal .16(s) + .8(c) = 320(.12) s + c = 320
so that would be exactly how many pounds of each?
Answer: 160 lbs of soybeans, 160 lbs of cornmeal.
Well turn the equation to something we can work with no messy decimals, so multiply the top equation by 100 resulting: 16s + 8c = 320 (12) ---> 3840 Now subsitute the 's + c = 320' equation for one of the variables, s = 320 - c Subsitute: 16(320 - c) + 8c = 3840 Solve for c, then subsitute that value as 'c' in the equation s + c = 320
which equals how many pounds of each?
lol
Let me check saif's answer.
your killing me
Come on man. Its easy multiplication..
as easy as how many pounds each and checking saifs answer, saif, where the hell are you?
You know what. You do the work you lazy lump.
http://openstudy.com/users/charlietrooper1#/users/charlietrooper1/updates/4eab4f37e4b02eee39e7b697
looks like you couldn't answer it eeither bluffer
Looks like you forgot how to do multiplication and division. Even Satellite has a decent explanation to lead you to the answer.
if you wish to do no work whatsoever, just type the dang thing in and read off the answer http://www.wolframalpha.com/input/?i=0.16x%2B.08%28320-x%29%3D.12*320
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