Mathematics, 09.04.2021 20:10 Weser17
Eight people of various ages were polled and asked to estimate the number of CDs they had bought in the previous year. The following scatter plot depicts the information collected. The variable x represents the age. The variable y represents the number of CDs..
A graph has age on the x-axis, and amount of C D's on the y-axis. Points are at (18, 12), (20, 17), (24, 10), (25, 6), (28, 4), (30, 4), (32, 2), (34, 3).
Determine which table would have been used to make the scatter plot and decide if there is a linear relationship between the age of a person and the amount of CDs purchased.
Table A
Age, x
Number of CDs, y
18
12
20
17
24
10
25
6
28
4
30
4
32
2
34
3
Table B
Number of CDs, x
Age, y
18
12
20
17
24
10
25
6
28
4
30
4
32
2
34
3
a.
Table A, positive correlation
b.
Table A, negative correlation
c.
Table B, positive correlation
d.
Table B, negative correlation
Please select the best answer from the choices provided
A
B
C
D
Answers: 3
Mathematics, 21.06.2019 20:00
The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212
Answers: 1
Mathematics, 21.06.2019 21:40
Write the contrapositive of the conditional statement. determine whether the contrapositive is true or false. if it is false, find a counterexample. a converse statement is formed by exchanging the hypothesis and conclusion of the conditional. a) a non-converse statement is not formed by exchanging the hypothesis and conclusion of the conditional. true b) a statement not formed by exchanging the hypothesis and conclusion of the conditional is a converse statement. false; an inverse statement is not formed by exchanging the hypothesis and conclusion of the conditional. c) a non-converse statement is formed by exchanging the hypothesis and conclusion of the conditional. false; an inverse statement is formed by negating both the hypothesis and conclusion of the conditional. d) a statement not formed by exchanging the hypothesis and conclusion of the conditional is not a converse statement. true
Answers: 1
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