Answer:
20
Step-by-step explanation:
n(A) only =15-4=11
n(B) only=9-4=5
n(A n B)=4
n(A U B)=11+5+4=20
Answer:
just do cross multiplication
Step-by-step explanation:
then ans will come
Answer:
22.6
Step-by-step explanation:
because in this one you are using cos , adjacent/hypotenuse
24cos20
x = 22.552622899
Answer:
there is a 0.0009765625 in 1 chance that he got 100%.
Step-by-step explanation:
possibility of getting a question right: 1/4
# of questions: 5
(1/4)^5 is 0.0009765625