Answer:
42 minutes
Step-by-step explanation:
There are 60 minutes in an hour and we want to find 0.7 of that. Of means multiply so we multiply 60 by 0.7 and we get 42 minutes.
This is a combination problem. Order does not matter and the books are all different. You would write this as 21C5 or . Combinations are not fractions.
The answer is
which = 20349 different ways these books can be chosen.
y = 8
sin(45 degrees) = √2/2
==> x = y = 8
The answer would be 2 times whatever the value of x would be
