Correct answer gets THANKS and Brainliest Answer! Please help me!
1 answer:
You might be interested in
Answer:
B
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos45° = , then
cos45° = =
=
( cross- multiply )
c = 3
Answer:
B
Step-by-step explanation:
The explicit rule for a geometric sequence is
= a₁
where a₁ is the first term and r the common ratio
Here a₁ = 64 and r = =
= 2 , then
= 64
→ B
