Answer:
Step-by-step explanation:
for nr. 1
sum of angles in a triangle=180
x=180-(81+84)=15
acute triangle
for nr.2
x=180-(24+36)=120
obtuse triangle
Answer:
1/4x+1/2=1/3x
Step-by-step explanation:
by solving for x. simplifying both sides of the equation, then isolating the variable.
5z^2 + 6a is the simplified expression
Answer:
4u+44
Step-by-step explanation:
The number 4 on the outside of the parentheses is being multiplied by everything within the parentheses, resulting in a product of 4u+44
Answer:
8x-4
Step-by-step explanation:
(3x-5)+(5x+1)
=3x-5+5x+1
=8x-4
