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dezoksy [38]
3 years ago
13

12x-39<9 and -4x+3<-6

Mathematics
2 answers:
Alexandra [31]3 years ago
6 0

Answer:

9/4<x≤4

Step-by-step explanation:

gulaghasi [49]3 years ago
4 0
Remember, you can do anything to an equation as long as you do it to both sides


and when multiply or divide by a negative in inequalities, flip the direction of the sign

12x-39<9
add 39 to both sides
12x<48
divde bothh sides by 12
x<4



-4x+3<-6
minus 3 both sides
-4x<-9
times both sides by -1 and flip sign
4x>9
divide both sides by 4
x>9/4
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f(x)=2x^3+2x^2-4x

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Hillary spent a total of 275 minutes studying for his Final.

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Here it is given that :

Hillary spent a total of 4 hours and 35 minutes studying for her Final

We known that :

1 hours equals 60 minutes

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4 hours and 35 minutes will be equals to = 4x60 + 35

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