Answer:
Step-by-step explanation:
we know that
----> by Intersecting Chords Theorem
substitute the given values
solve for x
Please explain how to solve this (12+5i) - (9-2i) i have answers but dont understand
2 answers:
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Answer:
all work is shown and pictured
Hope it helps
Answer 420.
a, is the first term. d is difference.
Since this is an arithmetic progression, I use this formula.
Un = nth term
Sn = sum of terms.
First find the number of terms, which is 20.
Then use the second formula to find the sum.
a, is the first term. d is difference.
Since this is an arithmetic progression, I use this formula.
Un = nth term
Sn = sum of terms.
First find the number of terms, which is 20.
Then use the second formula to find the sum.