Cara Marie M.

Answer a. 24 years for both.b. 4 years. for basic and 6 years for deluxe.c. 8 years for basic and 12 years for deluxe.d. 20 years.

Solve the following system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist.   6x+y=48 41x+7y+329

A's Shoes and B's Shoes Footwear both have outlets in City 1 and City 2. A's sells shoes for $70, sandals for $60, and boots for $140. B's prices are $50, $50, and $170 for shoes, sandals and... more

I need help.

The size of two matrices A and B are given. Find the sizes of the Product AB and the product BA, whenever these products exist. A is 5X3, and b is 3X1. Find the size of the product AB.

Mrs. Bollo's second grade class of thirty students conducted a pet ownership survey. Results of the survey indicate that 8 students own a cat, 15 own a dog, and 5 own both a cat and a dog. How many... more

I have no idea where to start for solving this problem. please help

The Warbler house inn offers two plans for wedding parties . Under plan A , the inn charges $35 for each person in attendance. Under plan B the inn charges $1800 plus $20 for each person in excess... more

Lamar's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Lamar $5.65 per pound, and type B coffee costs $4.25 per pound. This month's blend used three times... more

how can i calculate x in this question?

Find the inverse of AB if    A-1 = 3 4        -5 1   B-1 = -3 5          4 -1   (AB)-1=  

cos(x).cos(2x)cos(4x)cos(8x)= sin16x/16sinx prove this !

How do you find the square root of any number?