Answer: Answer is in the steps
Step-by-step explanation:
The interior angles of a triangle add up to one 180 degrees so they all have to add up to 180 degrees.
A) (x+10)° + 50° + (x+20)° = 180°
B) Now solve for x using the equation
x+10 + 50 +x+20= 180
2x + 80 = 180
-80 -80
2x = 100
x = 50
Answer:
<h2>18</h2>
Step-by-step explanation:
The formula of a distance between two points:

We have the points (5, -7) and (5, 11). Substitute:

Answer:
1 and 3
Step-by-step explanation:
Answer:
The value of x is <u>1</u><u>0</u><u>.</u>
Step-by-step explanation:
By question,
-4(x - 5) = 60
or,-4x + 20 = 60
or,-4x = 60 -20
or, -4x = 40
or, x =40/-4
Hence,x=10
10/12 = 5/6 probability that she will not win on the next roll