Answer:
3x+6>12
X=4
3x4=12+6=18
18>12
Step-by-step explanation:
Answer:
Well you can either straight up subtract from the total degrees of a triangle using the sum of both of the given angles, which would equal x, or you can make an equation. I’ll do both.
180-78-51=51, x=51
78+51+x=180
129+x=180
x=180-129
x=51
Answer:
14: 16 is the ratio of girls to boys
And the ratio 14:30 is the ratio of girls to the total of students
Step-by-step explanation: