1,022 Answered Questions for the topic Math Question

Math Question

04/09/15

#### LUMP SUM PROBLEM

So you want to be a “millionaire” and you have 45 years to achieve it. What lump sum could you invest now to reach your goal, assuming that (on average) you receive an annual rate of return of 9%... more
Math Question

04/09/15

04/06/15

#### solve by the elimination method

3r-5s=14 5r+3s=46   determine the solution of the system. select the correct choice below and, if necessary, fill in the answer box to complete your choice.   a) _ (type an ordered pair) b)... more

04/06/15

#### solve by the substitution method

r-9s=0 9r-3s=390   what is the solution of the system. _ (type an ordered pair)

04/06/15

#### solve the following system of equations using the substitution method

x=y+7 2x+y=5   the solution is. _ (type an ordered pair)
Math Question Math Maths Math Help

04/06/15

#### solve by elimination method

8x-y=67 x+7y=44   determine the solution of the system. select the correct choice below and, if necessary, fill in the answer box to complete your choice.   a) _ (type ordered pair) b) there... more
Math Question

04/03/15

#### Decreasing Margin of error

Suppose you want to decrease your margin of error by a factor of 6. By what factor, do you need to increase your sample size? In other words, if you want to decrease your margin of error from 42%... more
Math Question

04/01/15

#### Find two numbers whose sum is 22, and whose difference is 10.

What is the larger number?__ What is the smaller number?__
Math Question

04/01/15

#### Solve by the substitution method.

y-3x=16 9y+x=32   What is the solution of the system? ___ (Type  an order pair.)

03/29/15

#### Simplifying Trig Expression

Simplify csc^2x-1/cot^2x
Math Question

03/28/15

Math Question

03/26/15

#### compact disk that will have 5 songs

How many ways can I arrange the 5 songs on the cd?
Math Question

03/24/15

#### The 68-95-99.7 Rule

Consider that the National Health Center for Statistics reports that females (age 21) have heights that are normally distributed, approximately centered at a mean of 65 inches (5 feet 5 inches)... more
Math Question

03/23/15

#### Weighted Means

Suppose your science class grade is weighted according to the following table: Category and Weight Exams50%Homework15%Projects20%Quizzes15%If you currently have a 91% in Exams, a 98% in Homework,... more
Math Question

03/19/15

#### Binned Frequency Table

The exam results for unit 1 are given below. Complete the frequency table columns for this data (using 10 point bins).. (Round the relative frequencies to the nearest tenth.) 75, 75, 88, 91, 78,... more
Math Question

03/19/15

#### Should You Believe This Study?

Suppose a sociologist studying obesity in America passes out questionnaires asking each respondent if he or she exercises regularly. Based solely on this information, would you have reason to... more
Math Question Math Problem

03/17/15

#### what is m+m+m

I can't remember it and my mom says I have to figure it out myself.
Math Question Math Math Help

03/16/15

#### MATH PROBLEM! (HELP)

How many different sandwitche's can you make from 3 types of bread, 2 types of cheese, and 2 types of meat? Assume that only one type of each item is used per sandwich.
Math Question

03/14/15

#### it took lisa 2 hours to read the first 100 pages of a book. then she read the last 44 pages in 1 hour. how many pages did she read per minute for the whole book

I'm doing a math packet and i needed help on this question if you  can please help me that would be great thank you so much
Math Question

03/14/15

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