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Leona [35]
2 years ago
13

The scatter plot below shows the commute times of 25 different people and the number of stoplights they drive through on their w

ay to work.
Which type of association best describes the relationship between the number of stoplights on a person's commute and that person's commute time?
A.
no association
B.
negative association
C.
positive and negative association
D.
positive association

Mathematics
1 answer:
kompoz [17]2 years ago
8 0

Answer:

D. Positive association

Step-by-step explanation:

The line of best fit would have a positive slope

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A company donated money to valley high school. The principal decided to evenly split the funds between the fifteen classes to sp
nevsk [136]

Answer:

$256

Step-by-step explanation:

Each class got $256. I know this because I did 3,840 divided by 15 which got me the CORRECT answer of $256

5 0
2 years ago
Read 2 more answers
The sum of a number times 3 and 7 equals 2
ella [17]
3 x + 7 = 2 
3 x = 2 - 7
3 x = - 5
x = - 5/3 

3 ( -5/3) + 7  = - 15/3 + 7 = - 5 + 7 = 2 
7 0
3 years ago
The table shows the price for different numbers of board games:
NikAS [45]

Answer

B

Step-by-step explanation:

Multiply all the Number of  Board Games by 3.5. It is the same as the Price already showed on the graph. So, the correct answer is B.

3 0
2 years ago
Part A
klasskru [66]

Answer:

a) The y-intercept is 160. It represents the initial distance Jayden was from his home.

b) The x-intercept is 4. It represents the amount of time taken for Jayden to reach his home.

Step-by-step explanation:

The y-intercept can be found by looking at the value of y when x=0. When x=0, y= 160. Since the x-axis is the amount of time in hours, x=0 would mean the initial time. The x-axis is the number of miles from Jayden's home thus, Jayden was 160 miles away from his home when x=0 hours.

The x-intercept can be found by looking at the x value when y=0. When y=0, x=4. This means that it took Jayden 4 hours to reach home or 4 hours to travel 160miles to his house.

8 0
3 years ago
Which values are possible rational roots of 4x3+9x2−x+10=0 according to the rational root theorem? Select each correct answer. ±
navik [9.2K]

ANSWER


The possible rational roots are:


\pm\frac{1}{2},\pm2,\pm \frac{5}{2}


EXPLANATION


According to the rational root theorem, the possible rational roots of the polynomial,



4x^3+9x^2-x+10=0


are all the possible factors of the constant term divided by all the possible factors of the coefficient of the highest degree of the polynomial.



Therefore we examine the numerator and denominator of the options provided to see if they are factors of 10 and 4 respectively.



For

\pm\frac{1}{2}, we can see that 1 is a factor of 10 and 2 is a factor of 4, hence it is a possible rational root.


The same thing applies to \pm2,\pm \frac{5}{2} also.


As for


\pm \frac{2}{5}, 2 is a factor of 10 but 5 is not a factor of 2, hence it is not a possible rational root.


5 0
2 years ago
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