Answer:
a. Infinite solutions.
Step-by-step explanation:
Let's try solving it:
a + 3 + 2a = -1 + 3a + 4
Subtract 3a from both sides:
a + 2a - 3a + 3 = -1 + 4
3a - 3a + 3 = 3
3 = 3
So the original equation is an identity and there are infinite solutions.
Answer:
Im late and I could be wrong but is it 3/100?
Step-by-step explanation:
Answer:
90
Step-by-step explanation:
a triangle's angles all add up to 180. take 51 and 39 away from 180 and you get 90
Answer:
x = 3.36
Step-by-step explanation:
, if we have a fraction = fraction then we can cross multiply to have a multiplication problem
x · 1 = 8 · 0.42, multiply
x = 3.36
Answer:
sin α = 
Step-by-step explanation:
sin α =
=
= 