Answer:
The new price is 66% off the original not 75% off
Step-by-step explanation:
Let x be the original price
First take 60 percent off
x - x*60% = new price
x- .60x = .40x
The new price is .40x
Then take 15 % off
(.40x) - (.40x)*15%
.40x - .40x*.15
.40x - .06x
.34x
100 -.34 =.66
The new price is 66% off the original not 75% off
Answer:
-2x^2 +8x-10
Step-by-step explanation:
(x^2+3x−7)−(3x^2−5x+3)
Distribute the minus sign
(x^2+3x−7)−3x^2+5x-3
I like to line them up vertically
x^2 +3x−7
−3x^2+5x-3
-------------------
-2x^2 +8x-10
Cherry pie would cost 11 dollars a piece
Pumpkin pie would cost 20 dollars a piece
Arjun sold one more pumpkin pie then Huong, and the same amount of cherry pies. With this information, one may conclude 197-177 will give price of pumkin pie, which would be 20 dollars a piece. Then multiply that by 6 to get 120 then subtract 197-120 to get 77 then divide that by 7 to get 11 dollars a piece for cherry pie.
Answer:
(4,2)
Step-by-step explanation:
I am not able to see your screen well but these are the points that I saw in the beginning for E. 8,4. Your x value is either left or right and your y value is up and down. I saw 8 units right and 4 u it's up. Now your scale factor is 1/2. Remember if the scale factor is less than one the figure reduces. Our rule for dilations is (x,y) → (kx,ky). The scale factor is represented by K. Since your scale factor is 1/2 we know our triangle will reduce. Let's plug 1/2 in our x and y valued.
So E is (8,4). 8*1/2 is 4 and 4* 1/2 is 2. Are new points are E' (4,2).