Since you already have y isolated on one equation it's easy. Plug in 3x-11 as for for the second equation. Solve and find what x equals. Then plug the x into the first equation to find y. Hope this helps!
Sometimes, because if you have a negative number than the opposite is positive and more. Then if you have a positive number it will be negative and therefore less.
Answer:
In 4 Hours
Step-by-step explanation:
1 hour: A: 30.25 B: 34.25
2 hours: A: 35.5 B: 38.5
3 Hours: A: 40.75 B: 42.75
4 Hours: A: 46 B: 46
Answer:
0.942% (to 3 significant figures)
Step-by-step explanation:
Percentage Increase=(New price/old price-1) x 100
Percentage Increase = (9.64 / 9.55 - 1) x 100
= 0.942% (to 3 s.f)
Answer:
1. 8
2. 9
3. 3
4. 60
5. 1/60
Step-by-step explanation:
1. The coefficient of x is 8. This is m(slope) in the equation y=mx+b.
2. To find the slope, choose to points. (4,36) and (6,54). Now use the formula (y2-y1)/(x2-x1). 18/2 is also 9.
3. Use the same formula as before. (13-10)/(9-8)= 3/1= 3.
4.Use the same formula as before. (240-120)/(4-2)= 120/2= 60.
5. Use the same formula as before. (3-2)/(190-130)= 1/60
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