Which of these are arithmetic sequences?
1 answer:
Answer:
D
Step-by-step explanation:
The first and last sequence have a common difference in them. The first having d = 4 and the second having d = 7.
The second and third have a common ratio instead and are geometric sequences. The second has r = 2, and the third having r = (-3)
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Answer:
y = 2x + 8
Step-by-step explanation:
You can input the slope and points into the point-slope equation and simplify:
y - 10 = 2(x - 1)
y - 10 = 2x - 2
y = 2x + 8
Answer: b: h=2a/b1+b2
Step-by-step explanation:
Answer:
A = 154 ft^2
Step-by-step explanation:
To find the area of a circle
A = pi r^2
The radius is 7 and pi = 22/7
A = 22/7 * 7^2
A = 154 ft^2
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Step-by-step explanation:
