Mathematics
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OpenStudy (anonymous):
an inequality is shown below:
-np-4<=2(c-3)
which of the following solves for n
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OpenStudy (anonymous):
OpenStudy (anonymous):
u multiply 2 by c and -3 and u get -np-4<2c-6
OpenStudy (anonymous):
then u add 4 to both sides. do u know wat u get then?
OpenStudy (anonymous):
what numbers do you add 4 onto?
OpenStudy (anonymous):
since u want the -4 to go away, u add it to its self and on the other side of the equation u add it to -6
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OpenStudy (anonymous):
with that you get -np<2c-2
do u understand
OpenStudy (anonymous):
-np>2c-2
OpenStudy (anonymous):
yes awesome :)
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
then u divide p by both sides
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OpenStudy (anonymous):
divide p from what numbers
OpenStudy (anonymous):
well, u really cant divide p, so u just put a line and a p underneath it
OpenStudy (anonymous):
then what?
OpenStudy (anonymous):
it becomes -n>2c-2
OpenStudy (anonymous):
then u multiply -n w -1 and u get a positive n
yes, and do u see in the answer choices to how they have the p?
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OpenStudy (anonymous):
so the answer is c?
OpenStudy (anonymous):
and w that u flip the less than sign to greater than, just like u have
and yes the answer is C
OpenStudy (anonymous):
thanks :)
OpenStudy (anonymous):
anytime :)