Step-by-step explanation:
If parallel then the gradient is the same for both AB and CD but if perpendicular then gradient of one is reciprocal and negative of the other
Not circle for sure. Line graph is for plotting not really demonstrating a change. Picto graph is just like line plotting. Probably the bar graph works the best to see the smoothness and flow of how it increases and decreases.
Answer:
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Step-by-step explanation:
Answer:
y=2/3x-5
Step-by-step explanation:
First, let's put this equation into slope-intercept form.
2x-3y=24
-3y=-2x+24
y=2/3x-8
For two lines to be parallel, they must have the same slope. Therefore our slope is 2/3.
Now, we must find b. To do that we can plug the y and the x in.
-7=2/3(-3)+b
-7=-2+b
-5=b
y=2/3x-5
It will take them 5 weeks. Because Drew gets $8 a week and spends 3 so 8-3=5. And Jan gets $10 a week and spends 4 so 10-4=6. Then i add 5+6=11. Then I divide total $55/$11 which equals to 5 weeks. Hopefully i helped :)