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At this point in time, you can use a technique called cross-mutiplication, where you say that
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at this point in time, you can devide each side by 8 and solve
The absolute value be pie or square because Pio screwed because the circumference is alsoHope this helps
Answer:
d. converges, -25
Step-by-step explanation:
An infinite geometric series converges if the absolute value of the common ratio is less than 1.
Here, the common ratio is 4/5:
| 4/5 | = 4/5 < 1
So the series converges. The sum of an infinite geometric series is:
S = a₁ / (1 − r)
where a₁ is the first term and r is the common ratio.
Here, a₁ = -5 and r = 4/5:
S = -5 / (1 − 4/5)
S = -25
