Sum of all angles in a triangle = 180
3rd angle = 180 - 150 = 30
Answer: A
Answer:
The fourth option.
Step-by-step explanation:
In the given equation x^2 + 4x + 9 = 0, a=1, b=4, and c=9. The quadratic formula is in the attachment below so if you plug in a, b, and c you get the fourth option.
Answer:
Step-by-step explanation:
1(8)^2-1
its the first variable then the the third one and u raise it by what the number is and u subtract by one
5(2x+4)=40 [distribute 5]
10x+20=40
10x=40-20 [move 20 to RHS and make it a negative]
10x=20 [divide both sides by 10]
x=2