Answer:
Step-by-step explanation:
It is given that Todd is 30 year old and he perform aerobic activity that may increase his heart beat.
maximum heart beat can be calculated by subtracting the age from 220
For 30 year old male Maximum heart beat
=220-30=190
And during exercise his heart beat increases to 60-90 % of maximum value
60 % of 190=114 beats/min
90 % of 190=171 beats/min
So Heart beat can goes up to 114 - 171 beats/min
Answer:
a) negative correlation b) Diagram C (I think) c) Diagram b
Step-by-step explanation:
a) Negative= line going dow
Positive= line going up
no correlation= no line
b) the dots are to close to each other which mean it has a string correlation.
c)Its no correlation, so line should not be drawn
Answer:
5*8+14=54
Step-by-step explanation:
5*x+14= 54
so
54-14= 40
40/5=8
so x=8
Answer:
Step-by-step explanation:
Answer:
r = 1
Step-by-step explanation:
slope = change in y / change in x, so:
change in y / change in x = 2/3
5 - r / 7 - 1 = 2/3
5 - r / 6 = 2/3
now solve this equation.
first, multiply both sides by 6 to get rid of the fraction:
subtract 5 from both sides
multiply both sides by -1