USE PEMDAS
8(7+23)=8(7)+8(23)
=56+184
=240
Answer:
See below
Step-by-step explanation:
B) The correlation coefficient is
, which can be determined by plugging the data into a TI-84 calculator.
C) A correlation coefficient of
indicates that the correlation between the independent and dependent variable (x and y in this case) is moderately strong with a positive correlation. The closer
is to 1, the stronger the positive correlation. The closer
is to -1, the stronger the negative correlation. If
is closer to 0, then there's no correlation.
Answer:
Equation of the parabola: or
Vertex form:
Intercept form:Step-by-step explanation:
Answer:
There is no common difference
Step-by-step explanation:
4 9 13 18
diff 5 4 5
Because the difference between 9 and 13 is 4
and the difference in the other terms is 5
there is no common differeence
Answer: x= -100
Step-by-step explanation:
X/5=-14-6
X/5=-20
X=-100