The formula for finding the sum of a finite geometric series is
n = 17,
, r = 2
Substitute into the formula and you get 393213
n = 17,
Substitute into the formula and you get 393213
Expand the following 4 (x - 1)
2 answers:
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Answer:
There are 120 1st graders at Sierra Elementary School this year
Step-by-step explanation:
Let n represent the total number of 1st graders at Sierra Elementary School
Since 45% of all 1st graders at Sierra Elementary School are female students and this year there are 54 female 1st graders, 45% of n is equal to 54
→ n() = 54
→ 45n = 5400
→ n = 120