Finite Mathematics/Function and Linear Models

I am having trouble figuring out where to start on this word problem...can you help me figure it out? In 2006, Jenny began selling magazines. The company sold Jenny a beginning packet for $250.00. Jenny's cost for each magazine is 10% of the sales price. 1. Find the linear model for Jenny's cost as a functin of the doll ...continues

Systems of equations

Solve the following systems of equations... a. 3x-7y=10 2x+y=4 b. 2x+2y=7 3x-3y=4

Finite - the equation of a line

Please see the attachment.

Multiple Choice - Finite

I need help with 20 problems.

Find the solution of the following system of linear equations

Please show all work so I can understand exactly what is going on. Please see attachment.

A bank loaned $15,000, some at an annual rate of 16% and some at an annual rate of 10%.

A bank loaned $15,000, some at an annual rate of 16% and some at an annual rate of 10%. If the income from these loans was $1800, how much was loaned at 10%?

Find the solution of the following system of linear equations

Please show all work related to the correct answer. This will ensure I learn how to complete the problem on my own. See attached document for problems. Thanks!

Finding the probability of repeats in finite sequences

1. What is the probability that out of 3 people, 2 were born in the same month. 2. What is the probability that a seven digit phone number has 1 or more repeats. 3. What is the probability that given 5 letters selected randomly from the alphabet, none is repeated? 4. What is the probability 2 of more randomly selected s ...continues

Ernesto is going to choose 2 flowers.

Ernesto is going to choose 2 flowers. First, he will choose a flower for his mother the second flower he chooses will be for his sister. The florist has two blue flowers, 1 red flower and 1 yellow flower. Please draw a tree diagram to show all of Ernesto's possible choices Can you do this in a computation manner?

Gauss-Jordan method

I need assistance in solve this equation using the Gauss-Jordan method. See attached problems.