miami158999
25.06.2019 •
Mathematics
Find the sum of the finite geometric sequence
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Ответ:
Let denote the right hand side. Notice that
so if we consider , the difference reduces to
so the answer is E.
Ответ:
1/2
Step-by-step explanation:
area of entire rectangle = 20(8) = 160 sq in
the two triangles are congruent and each have a base of 10 and a height of 8, so their combined area is 80
80/160 = 1/2