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OpenStudy (anonymous):
b - 12 = -8
jimthompson5910 (jim_thompson5910):
first solve for b
OpenStudy (anonymous):
k
OpenStudy (anonymous):
9.on the pdf file
OpenStudy (anonymous):
b=4?
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jimthompson5910 (jim_thompson5910):
correct, so you just plot the point at 4 on the number line
OpenStudy (anonymous):
thank you i have more too
OpenStudy (anonymous):
15. on the pdf
jimthompson5910 (jim_thompson5910):
replace m with 20 in each inequality
then evaluate and simplify
if you get a true inequality, then 20 is a solution
if not, then 20 is not a solution
OpenStudy (anonymous):
its not d
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OpenStudy (anonymous):
or a
jimthompson5910 (jim_thompson5910):
good so far
OpenStudy (anonymous):
not c at all
OpenStudy (anonymous):
so b?
jimthompson5910 (jim_thompson5910):
you got it
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OpenStudy (anonymous):
so you subtract 20 and -6
OpenStudy (anonymous):
you get 26
jimthompson5910 (jim_thompson5910):
no,
-6 + m > 12
-6 + 20 > 12
14 > 12
OpenStudy (anonymous):
oh whoops i put 20 + 6
OpenStudy (anonymous):
16.
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OpenStudy (anonymous):
on the file
jimthompson5910 (jim_thompson5910):
ok last one
x is at least 50 means that \(\Large x \ge 50\)
To graph this, you plot the point 50. Make it a closed or filled in circle. Then you shade to the right of this circle.
So that would make the answer to be choice C
OpenStudy (anonymous):
i got 3 more)
OpenStudy (anonymous):
oh i clicked the wrong one on the test i clicked b