1. using 2 dots that are on the blue line (0,72) and (6,69)
find the slope:
slope = change in Y over change in x = 69 - 72 / 6-0 = -3 / 6 = -1/2
equation would be y = -1/2x + 72
2. y = -1/2x+72 = -1/2(30) +72 = -15 +72 = 57 beats per minute
3. replaced x in the equation with 30 to find the beats per minute for exercising 30 minutes
Answer:
B
Step-by-step explanation:
1. Find where the line crosses on the y-axis
2. Find two corresponding points on the graph and do the rise/run method, which in this problem is 4/1 or 4( 4÷1= 4)
- When the line is like this / you rise from up and run to the right(positive), but when it is like this \ you rise from down and run to left (negative)
Ps: You should have taken the picture at a different angle 'cause I can see what you looks like and see part of your room.
Hope I was helpful =)
Answer:A
Step-by-step explanation:
64% of 75 tiles is 48 tiles
because 0.64x75=48
The answer is 72
b/c 80% is equal to .80
so you do 90x.80
