Answer:
Very untrue, lad
Step-by-step explanation:
Absolute value makes everything inside its sign positive. It would still be 8. Dw, you got em next time.
Answer:
5 ![\frac{1}{4}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B4%7D)
Step-by-step explanation:
The sum to n terms of a geometric sequence is
= ![\frac{a(1-r^{n}) }{1-r}](https://tex.z-dn.net/?f=%5Cfrac%7Ba%281-r%5E%7Bn%7D%29%20%7D%7B1-r%7D)
where a is the first term and r the common ratio
The expression inside the summation is
4
← the nth term of a geometric sequence
with a = 4 and r =
, then
= ![\frac{4(1-(\frac{1}{4}) ^{3}) }{1-\frac{1}{4} }](https://tex.z-dn.net/?f=%5Cfrac%7B4%281-%28%5Cfrac%7B1%7D%7B4%7D%29%20%5E%7B3%7D%29%20%7D%7B1-%5Cfrac%7B1%7D%7B4%7D%20%7D)
= ![\frac{4(1-\frac{1}{64}) }{\frac{3}{4} }](https://tex.z-dn.net/?f=%5Cfrac%7B4%281-%5Cfrac%7B1%7D%7B64%7D%29%20%7D%7B%5Cfrac%7B3%7D%7B4%7D%20%7D)
=
(
)
= ![\frac{21}{4}](https://tex.z-dn.net/?f=%5Cfrac%7B21%7D%7B4%7D)
= 5 ![\frac{1}{4}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B4%7D)
Answer: y= 3/2x+8
Step-by-step explanation:
Answer: F. The pencils at store A cost more.
Step-by-step explanation: here is the answer key
Step-by-step explanation:
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