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Pre-Algebra
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OpenStudy (anonymous):
MEDAL WILL BE GIVEN.
solve the following inequalities.
21. -6t >18
23. h/4<5
25. 3/5 h ≥ -9
27. -17.1m < 23.8
29. 4k-1≥-3
31. 3t>5t+12
33. 4+x/2>2x
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OpenStudy (anonymous):
i'll do just one and you will do the others
OpenStudy (anonymous):
pick one that you think is the hardest problem
OpenStudy (anonymous):
@brookie5150
OpenStudy (anonymous):
i just don't understand what to do when the variable is up to the number. @begzat
OpenStudy (anonymous):
the first one you divide by -6 but also you need to change the inequality
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OpenStudy (anonymous):
-6t>18 divide by -6
t< -3
OpenStudy (anonymous):
@brookie5150
OpenStudy (anonymous):
so then, for the second one you would divide 4 and 5 and change your sign? @begzat
OpenStudy (anonymous):
no you change the sing, when you divide be negative number for ex.
-4x>8 divide by -4 and change the sing
x<-2
OpenStudy (anonymous):
the second one if different you first multiply by 4 everything so it is
(h/4<5)4
4 and 4 cancel out and 5*4 is 20
h<20
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OpenStudy (anonymous):
oh okay.
OpenStudy (anonymous):
hope this helps :)
OpenStudy (anonymous):
thank you so much. :)
OpenStudy (anonymous):
YW !
OpenStudy (anonymous):
those r so easy o_e
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OpenStudy (anonymous):
21) t<-3
23) h<20
25) h>= -15
27) m >-1.3
29)k>=- 2/4
31) t<-6
33) x>8/3
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