When two equations are perpendicular their slopes are 90° apart. In the equation y=5x-8 the slope is 5. The perpendicular slope is negative and the inverse of the given slope. So in this case the perpendicular line will have the slope = - 1/5
1G is equivalent to 3.7854L
Now you multiply that by the cost per L in Euros:
2.21(3.7854) = 8.365734
Now convert it to USD:
8.365734(2.21) = 18.48 USD per gallon
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FIXED
Answer:
1. -15,-10,-5,0,5,10,15,20,25,30
Step-by-step explanation:
For number one, you are incresing by 5 each time -15+5= -10, -10+5=-5, and so on
For each problem you are incresing or decreasing by a specific value, just subtract from the last number to find the value :)
Remember that percent means parts out of 100
x/100
discount is the decrease
so we divide the decrease by the original total and get
100/5775=0.0173
convert to fraction
0.0173/1
make bottom number 100
multiply by 100/100
1.73/100=1.73%
round
2%
