Math Answers

Patrick has assignments in 5 subjects. He can only do two assignments . In how many ways can do two assignments?

Patrick has assignments in 5 subjects he can only do two assignments in how many ways can he do two assignments

How many 5 digit number can be formed from digits 0-6 if:

C. If one (1) is not to be used as the 1st digit and repetition is not allowed

The average number of milligrams (mg) of cholesterol in a cup of a certain brand of ice cream is 660 mg, and the standard deviation is 35 mg. Assume the variable is normally distributed.

a. If a cup of ice cream is selected, what is the probability that the cholesterol content will be more than 690?

b. If a sample of 10 cups of ice cream is selected, what is the probability that the mean of the sample will be larger than 690 mg?

c. Why is the probability in part A larger than part B? 

62×(30+5)

Illustrate the steps, each time on a number line, where you will explain to a Grade 6 class how numbers can be negative and positive

Use the case of mpho who use R5 and she buys a parker of chips for R8 at the tuck shop. The next day she brings R10 to the tuck shop and buys a lolly for R2. Show how her money goes up and down and where she ends up?

A. A researcher reports that the average salary of College Deans is more than $63,000. At a = 0.01 level of confidence, test the claim that the College Deans earn more than $63,000 a month.

Determine if rounding off 34, 56 to the nearest one decimal place is a nonroutine or a routine

question. Work out the answer.

Instruction: Find the solution set of the following using 3 methods. Show your solutions, then submit your answer to your eLMS dropbox.

1.2x + y = 15

x - y = 9

2. 3x - 2y = 12

  2x + 5y = 72. 3x - 2y = 12

  2x + 5y = 7

2x + y = 15

x - y = 9