Answer:
8n + 4
Step-by-step explanation:
8-9n-n-4 collect like terms
9n-n+8-4
8b+4
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Answer:
t-test for difference in slopes
no association exists
Step-by-step explanation:
t-test can be used to determine signifiance in difference in slopes of of fit vs time and not fit vs time graph
The data shows that as number of hours spent watchnig television increases, there is no increasing or decreasing trend in number of people fit or not fit. The number of people fit or not fit seems to be distributed around 629 for 1-2 hours of watching television. There trend is not consistent in both cases with increasing number of hours
Answer:
Average value: 87,125
Step-by-step explanation:
(82,84,84,87,88,90,90,92) ↔ 8
(82+84+84+87+88+90+90+92)/8 = 697/8 = 87,125
Answer:
A: y = -2x^2
Step-by-step explanation:
The parent function would be y = x^2 since it is a parabola.
Since the function has a vertical stretch by 2, y = 2x^2.
Finally, the function is inverted so the final equation would be y = -2x^2
Answer:
Step-by-step explanation:
