Answer:
(3,7)
Step-by-step explanation:
every coin flip, it has a 1/2 probability of landing on heads.
it doesn't matter what the flips were before it.
Probability is 1/2
Answer:
Supplementary Angles
Step-by-step explanation:
180-157=23
X=23
Answer:
b ≈ 7.8
Step-by-step explanation:
using the law of sines
∠ A = 180° - 105° - 40° = 180° - 145° = 35° , then
=
( cross- multiply )
b × sin35° = 7 × sin40° ( divide both sides by sin35° )
b =
≈ 7.8 ( to the nearest tenth )
Answer: x=9
Step-by-step explanation:
2x+10=28
2x=18
x=9