To do this, make a probability tree. The second set of branches are out of 9 as the coin is not replaced. Multiply along the lines in order to work out the probabilities; in a test, multiply along all the lines - even if they are not needed - to ensure full marks. As a check, add up the final values, they should equal 1.
Answer:
x=18.7
Step-by-step explanation:
x+17+5x+10+4x-34=180
10x-7=180
10x=187
x=18.7
all angles in a trianlge add up to 180 degrees
Answer:
22% or 22/100 which is 11/50
Step-by-step explanation:
Answer:
The answer is 25%
Step-by-step explanation:
D. (7, -5) is the coordinates of point A.