Can anyone help me with three inequalities? Will give metal.
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OpenStudy (anonymous):
I need help step-by-step so i know how you did it.
OpenStudy (anonymous):
The first one is that i need help solving:
q+12-2(q-22)>0
OpenStudy (amoodarya):
q+12-2q-2(-22)>0
q-2q+12+44>0
-q+56>0
-q>-45
multiply by -1
q<56
OpenStudy (anonymous):
Thanks can you answer the other two?
OpenStudy (anonymous):
The second one is:
-2/5x-9<9/10
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OpenStudy (texaschic101):
-2/5x - 9 < 9/10 (multiply the entire inequality by the LCD to get rid of the fractions. LCD in this case is 10
changing it to :
-4x - 90 < 9 (add 90 to both sides)
-4x < 90 + 9
-4x < 99 (divide by -4 and change the sign)
x > 99/-4
x > - 24.75 or - 24 3/4
OpenStudy (anonymous):
OK thanks can you answer the last one?
OpenStudy (anonymous):
The third one is:
OpenStudy (texaschic101):
I cannot open that file on my computer
OpenStudy (anonymous):
ok. umm it is:
(5z-4){over2}+6<-1 or (2z-6{over 4}-2>-1
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OpenStudy (anonymous):
and the answer choices are:
a. z<=-2 or z>=4
b z<=9 or >=-2
c. z<=2 or >=-9
d. z<=-2 or >=9