Answer:
The y coordinates become the opposite of what they already are.
Step-by-step explanation:
Example: (3,2) -> (3,-2). (-4, -7)-> (-4,7)
The first step is to find out the value of one diaper for each equation
39.98/216 = 0.18
Therefore one diaper is for 0.18 cents
24.99/88 = 0.28
Therefore one diaper is for 0.28 cents
At the end the first deal is better
Answer:
1 hr, 48 minutes
Step-by-step explanation:
you can create a proportion:
doughnuts/hours = doughnut/hours (h)
1500/9 = 300/h
cross-multiply to get:
1500h = 2700
h = 27/15
h = 1 12/15, which is 1 hr, 48 minutes because 12/15 = 48/60
Two triangles are similar by SAS similarity if they have two sides in the same ratio and the angles between those sides in both triangles are equal.
