35 POINTS! HELP!
2 answers:
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Answer:
The expression represents the price you paid per gallon is:
- Price paid per gallon =
Step-by-step explanation:
To identify the expression is right, I'll show you with an example: suppose that you paid $56 buying 7 gallons of gas, now you can replace those values in the expression I gave you:
- Price paid per gallon =
- Price paid per gallon =
- Price paid per gallon = 8
And you can check this value by multiplying the price paid by the gallon and the number of gallons, which you obtain the number of dollars you spent:
- <u>Number of dollars (d) = 8 * $7 = $56 </u>
Answer:
D
Step-by-step explanation:
Two lines are perpendicular when the product of their slopes = - 1
line 1: y = 3x + 4
(3 , 0) ; (-3,2)
Slope of line 1 = 3
Slope of line 2 = -1/3
3* -1/3 = -1