Answer:
D. 20°, 60°, and 100°
Step-by-step explanation:
basically you're testing which set adds up to 180°:
D should immediately catch the eye since it has a simple 100°, and 60+20 is 80, making D the correct answer
a: 189°
b: 90°
c: 120°
d: 180°
Answer:
How many of what?
Step-by-step explanation:
What is the absolute value of -70.
Answer:
see explanation
Step-by-step explanation:
Given the recursive formula
=
and
= 2
=
, then
=
( multiply both sides by 4 )
a₃ = 4 ×
= 9
= 9 ( multiply both sides by 4 )
a₂ = 36
= 36 ( multiply both sides by 4 )
a₁ = 144
The first 4 terms are
144, 36, 9, 2 