Answer:
3279
Step-by-step explanation:
The sum to n terms of a geometric sequence is
=
where a is the first term and r the common ratio
Here a = 2 and r = a₂ ÷ a₁ = 9 ÷ 3 = 3 , then
S₇ = = = 1.5 × 2186 = 3279
Answer:
B
Step-by-step explanation:
-5 - 1/8
Answer:
You have to go on a cite called Math and Way buth without the and and no space between math and way
Step-by-step explanation:
All spheres are similar because there are no other configuration of spheres except for being perfectly round three-dimensionally. Similar shapes are shapes where angles are similar as well as the sides which can just be determined through ratio and proportion