Subtract (8.5107)-(4.5109) 1) Determine the smallest power of 10. 2) Decrease the larger power of 10 until it matches the one fo
1 answer:
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Take some points
- 2x+3y<6
- 3y<-2x+6
- y<-2/3x+2
As here < sign present line will be dashed and shading should be done below the line
So
- (1,1)
- (1,0)
- (2,0)
- (-1,2)
Graph attached
Given:
Karen earns $54.60 for working 6 hours.
Amount she earns varies directly with the number of hours she works.
She need to work to earn an additional $260.
To find:
Number of hours she need to work to earn an additional $260.
Solution:
Let the amount of earnings be A and number of hours be t.
According to question,
...(i)
where, k is constant of proportionality.
Karen earns $54.60 for working 6 hours.
Divide both sides by 6.
Put k=9.1 in (i).
Substitute A=260 in the above equation.
Divide both sides by 9.1.
Therefore, she need to work extra about 29 hours to earn an additional $260.