Mathematics, 13.03.2021 03:10 princess239
A survey of 60 customers was taken at a bookstore regarding the types of books purchased. The survey found that 36 customers purchased mysteries, 30 purchased
science fiction, 23 purchased romance novels, 17 purchased mysteries and science fiction, 13 purchased mysteries and romance novels, 10 purchased science fiction
and romance novels, and 6 purchased all three types of books.
a) How many of the customers surveyed purchased only mysteries?
b) How many purchased mysteries and science fiction, but not romance novels?
c) How many purchased mysteries or science fiction?
d) How many purchased mysteries or science fiction, but not romance novels?
e) How many purchased exactly two types of books?
Answers: 2
Mathematics, 22.06.2019 01:10
To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%
Answers: 3
Mathematics, 22.06.2019 03:30
Adan has decided to purchase an $9000 car. he plans on putting 20% down toward the purchase and financing the rest at 7.9% interest rate for 3 years. find his monthly payment a) $225.29 b) $298.81 c) $204.78 d) $236.89
Answers: 1
A survey of 60 customers was taken at a bookstore regarding the types of books purchased. The survey...
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