Answer:
a) $20-is the cost price
$25-is the selling price
profit or loss
25-20=5$ profit but in percentage
Step-by-step explanation:
i think that is what the question is asking for
good luck
Answer: I think it’s $4.50
Step-by-step explanation:
The equation is 6x+18=48 so you want to cancel out 18. Subtract 48-18 and you end up with 6x=27. Divide 27 by 6 and you get 4.5
Answer:
44x +56y = 95
Step-by-step explanation:
To write the equation of the perpendicular bisector, we need to know the midpoint and we need to know the differences of the coordinates.
The midpoint is the average of the coordinate values:
((-2.5, -2) +(3, 5))/2 = (0.5, 3)/2 = (0.25, 1.5) = (h, k)
The differences of the coordinates are ...
(3, 5) -(-2.5, -2) = (3 -(-2.5), 5 -(-2)) = (5.5, 7) = (Δx, Δy)
Then the perpendicular bisector equation can be written ...
Δx(x -h) +Δy(y -k) = 0
5.5(x -0.25) +7(y -1.5) = 0
5.5x -1.375 +7y -10.5 = 0
Multiplying by 8 and subtracting the constant, we get ...
44x +56y = 95 . . . . equation of the perpendicular bisector
Answer:
negative or undefined
Step-by-step explanation: