Answer:
See below
Step-by-step explanation:
x = 3 cos (-5pi/3) = 1.5
y = 3 sin (-5pi/3) = 2.598
Theoretical probablity=desiredoutcomes/totalpossibleoutcomes
desired=number of white marbles=20
total possible=red+blue+white=30+50+20=100
so theoretical probablity=20/100=2/10=0.2=20%
Answer:
A
Step-by-step explanation:
4 ----- 2/3
15 ----- ????
multiply 15 by 2/3 and divide the result by 4 and you will get the answer.
Idk but it can't be 10 or 9.7 bc a triangle's hypotenuse is always longer than its legs