ashleylynn
5.
y_over_2_large < –3 (1 point)
6.
–1.5d inequality-greaterthanorequalto9 (1 point)
7.
5s – 3 + 1 < 8 (1 point)
8.
8d + 2 < 5d – 7 (1 point)
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myininaya
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I honestly can't read the first two :(
Do you think you can try to draw it using the draw tool?
ashleylynn
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|dw:1332199017071:dw|
myininaya
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\[\frac{y}{2} <-3\]
I will give you en example for this one:
If you have
\[\frac{a}{5}<-2\]
=>
\[5 \cdot \frac{a}{5} <-2 \cdot 5\]
\[a<-10\]
See you can see what is going on in this example....
Hint multiple 2 on both sides for that problem..
myininaya
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so what did you get for the first one?
ashleylynn
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no clue om stilll trying to figure it out
ashleylynn
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i got y is less than -1
myininaya
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So did you multiply 2 on both sides?
myininaya
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2(-3) is not -1
ashleylynn
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-6
myininaya
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y<-6 is the solution set
ashleylynn
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the second one im kinda stuck
ashleylynn
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d is greater than or equal to 9.5
myininaya
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\[-1.5d \ge 9\]
How do you get d by itself?
ashleylynn
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add 1.5 to both sides
myininaya
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No to undo multiplication by -1.5 you divide by -1.5
But when you multiply or divide by a negative on both sides this flips the inequality sign
ashleylynn
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-6
myininaya
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yes now what about the inequality part?
ashleylynn
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N is less then or equal to -6
ashleylynn
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3rd one. i dont get at alll
myininaya
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ok d not N but yes that is right
ashleylynn
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Thanks your helping soo much! the third one i dont get at all i need help step by step
myininaya
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5s – 3 + 1 < 8
Combine like terms first -3+1=?
ashleylynn
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-2
ashleylynn
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is it 3<10
ashleylynn
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s<10
myininaya
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So we have 5s-2<8 right?
ashleylynn
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yes. so wouldnt you +2 to 8
myininaya
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yes! :)
5s<10
Divide both sides by 5 and you win! :)
ashleylynn
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thankkk you! and now the last one
myininaya
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8d + 2 < 5d – 7
myininaya
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So what do you think one possible first step is?
ashleylynn
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Subtract 2 from both sides
myininaya
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ok! :)
8d<5d-9
That gives us this! VEry good!
myininaya
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Now?
ashleylynn
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not sure this is were i got stuck when i tryed doing it before:(
myininaya
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What did you try before?
ashleylynn
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adding 9 to both sides
myininaya
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Get your terms that have the same variable part together
how do you get the 5d part on the other side?
myininaya
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What happens if you subtract 5d on both sides?
Try that/
ashleylynn
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you get 2d
myininaya
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nope nope
ashleylynn
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myininaya
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8-5=3 right?
So
8d-5d=3d
myininaya
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So we have 3d<-9