Answer:
a1 = 0.5; common ratio = 5
Step-by-step explanation:
Let the common ratio = r
a2 = 2.5
a3 = 2.5r
a4 = 2.5r * r = 2.5r^2
We are told a4 = 62.5, so
2.5r^2 = 62.5
Divide both sides by 2.5
r^2 = 25
r = 5
a2 = a1 * r
a1 = a2/r = 2.5/5 = 0.5
Answer: a1 = 0.5; common ratio = 5
Answer:
5 or -7, the two integers are either 5 and 7 or -7 and -5.
Step-by-step explanation:
The correlation coefficient is -0.96.
Plotting these points in a graphing calculator and running the linear regression will get you the r value.
Answer:
896
Step-by-step explanation:
40/50 = 80%
80% of 1120 is 896
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