Answer:
38
Step-by-step explanation:
Hey You!
This question is asking us, "75 is 75% of what number?"
75 × 100 / 75 = 100
The original cost was $100.
Answer: 60
Step-by-step explanation:
1/3 means 3 packages per 1 pound
3 x 20 + 60
Answer:
a) TRUE
b) FALSE
c) FALSE
d) TRUE
e) FALSE
Step-by-step explanation:
a)
TRUE because the slope of the correlation line is 2 and this is the rate of change of y respect to x
b)
FALSE
The correlation coefficient r is always between -1 and 1, so it can never be greater than one
c)
FALSE
A student might expect that there is a positive correlation between the age of their laptop and its resale value only if after collecting a large enough sample of data that relates age of the student and price of resale of their laptop, he or she finds that there is a positive correlation coefficient r>0
d)
TRUE
If there is a positive correlation, then the greater the x, the greater the y
e)
FALSE
If there is no correlation between the independent and dependent variables, then the value of the correlation coefficient must be 0.
(5/3)*(7/3) = 35*(1/3)²
The area is 35 square units.
