Answer:
a) 62
b) 24
Step-by-step explanation:
For A, add the students who watched only one movie: 18+24+20=62
For B, look at how many students only watched Star Wars: 24
68.80 because 7 is greater than 5
Answer:
5.50/40
Step-by-step explanation:
5.50 divided by $44
this 5.50/40 is ths same as this
5.50 divided by $44
So
5.50/40 is your answer
Answer:
The probability of choosing a yellow marble is 2/13
Step-by-step explanation:
There are 2 yellow and 11 blue marbles in the bag or a total of 13 marble
P(yellow) = number of yellow marbles / total marble
= 2/13
The probability of choosing a yellow marble is 2/13
Cos (A-B) - cos (A+B)
= (cosAcosB +sinAsinB) - (cosAcosB - sinAsinB)
=2sinAsinB
Ans: 4