Mathematics, 04.04.2020 07:37 nicholasryanencarnac

A textbook store sold a combined total of 327 psychology and physics textbooks in a week. The number of psychology textbooks soled were 50 more than the number of physics textbooks sold. How many textbooks of each type were sold?

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 20.06.2019 18:04

Kinu wants to buy topsoil for a section of her garden that has the dimensions shown in the figure. each bag covers 2 square yards. how many bags of topsoil should kinu buy? explain how you found the answer.

Answers: 1

Answer

Mathematics, 21.06.2019 21:20

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Answers: 2

Answer

Mathematics, 22.06.2019 01:00

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)

Answers: 1

Answer

Mathematics, 22.06.2019 01:30

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30

Answers: 1

Answer

You know the right answer?

A textbook store sold a combined total of 327 psychology and physics textbooks in a week. The number...

Questions