Answer:
Set up a proportion ,
80/x 9/100
9 is over 100 because it is a percent and 100% is the highest %.
doing a proportion you cross multiply getting you..
9x =80 x 100
9x= 800
divide by 9 on both sides
that determines your answer
you try !
Step-by-step explanation:
Answer: Double check some of them but other than that you have a few right-
Step-by-step explanation:
48/31 is already at its simplest form, however you can change it to a mixed fraction which would become 1 17/31
Answer:
(a) θ = π + 4πn
(b) θ = π
Step-by-step explanation:
(a) sin(θ/2) − 1 = 0
sin(θ/2) = 1
θ/2 = π/2 + 2πn
θ = π + 4πn
(b) Try different values of n.
n = -1, θ = -3π
n = 0, θ = π
n = 1, θ = 5π
If 0 < θ < 2π, then θ = π.
