The slope of perpendicular lines should always be the reciprocal.
Thus, the slope of a line perpendicular should be -6/1x.
Before the work was done, the cost was ...
($4/gal)*(8 gal)/(340 mi) = $32.00/(340 mi)
After the work was done, the cost was ...
($4/gal)*(7 gal)/(350 mi) = $28.00/(350 mi)
The savings is the difference of these costs:
(32.00/340 -28.00/350) $/mi ≈ $0.01/mi
After the mechanic worked on the car, it cost about $0.01 per mile less to run.
Step-by-step explanation:
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Answer:
3 is your base
4 is your height
(this is for the area of the bottom)
3 x 4 = 12
12 divided by 2 = 6 is your area of the bottom
6 x 4(height) = 24
24 divided by 3(times 1/3) = 8
Step-by-step explanation:
Formula of a triangular pyramid:
1/3 x A x H
8 is your answer.
Answer:
603.19
Step-by-step explanation:
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