Answer:
angle x equals 25
Step-by-step explanation:
130 + 25 = 155
180 - 155 = 25
Triangles always add up to 180°
it is so easy the answer is 25
The total sum of the traingle is 180 degree. So frist add both the numbers in the traingle and then subtract it by 180 degree
Answer:2:5
Step-by-step explanation: you have 2 red marbles which is the numerator and 5 as the denominator because it is the bigger number .
x(x - 1 ) = 0
x^2 - x + 3 = 3
subtract 3 from each side:
x^2 - x = 0
-8,7
i am not sure how to explain it
