Answer:
D. Substitution
Step-by-step explanation:
I don't know how to explain it other than that they substituted the 50° angle into the original equation.
Answer:
x = -2
Step-by-step explanation:
Answer:
x = 6 possibly
Step-by-step explanation:
I am just an algebra student, but if I am correct I would appreciate a crown.
16/4 is 4, so i assumed that was the geometric pattern, so i divided 24 by 4 and got 6.
Hoped this helped.
5^2 +12^2= diagonal^2
25+144=d^2
169= d^2
D= 13