Answer:
I think BC is 45°÷2 Or 12÷2
Step-by-step explanation:
so the answer is 15° or 6
Answer:
Between 150 and 200
Step-by-step explanation:
i just did the assignment .
Step-by-step explanation:
A =nr²
=3.14 × (80/2)
=3.14 × 40
= 125.6yd²
Answer:
B
Step-by-step explanation:
3 power of 4 equal to 81
3 power of 2 equal to 9
81/9 = 9
Answer:
Step-by-step explanation:
a₁ = 15
a₂/a₁ = 45/15 = 3
a₃/a₂ = 135/45 = 3
...
It is a geometric sequence with a common ratio r=3.
Sum of first 12 terms = a₁·(1-r¹²)/(1-r)
= 15·(1-3¹²)/(1-3)
= 15·(-531,441)/(-2)
= 3,985,800
