What is the sum of the series?
1 answer:
4 + 12 + 36... etc
is a sum that can be rewritten in form
4 ( 1, 3, 9, 27, 81, etc) this can further be written in sigma notation:
4 Sigma [ 3 ^ ( i - 1)]
The sum of the indefinite summation will be the limit as i goes to infinity = infinity
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Answer:
Kayla sold 90 boxes of cookies.
Step-by-step explanation:
let's have X be the number of boxes Kayla sold.
x⇒100%
18⇒20%
Find x,
x=100/20 × 18
x=90
Answer:
See attached
Step-by-step explanation:
The proof is attached
Think you need to add everything up
Answer: 90/8=11.25
Step-by-step explanation:
