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In a previous lesson, you determined whether or not a system of equations had no solutions, one solution, two solutions, or an infinite number of solutions. You used graphs to do so. This lesson shows...

As if multiplying matrices wasn't difficult enough, now you can multiply both sides of an equation by the multiplicative inverse of a matrix to proceed with finding a solution. What is the multiplicative...

The treatment of a certain viral disease requires a combination dose of drugs D1 and D2. Each unit of D1 contains 1 milligram of factor X and 2 milligrams of factor Y, and each unit of D2 contains...

equation to find the number of minutes you must talk to have the same cost for both calling plans.

tracys car averages 27 miles per hour if she drives 281 miles, how many liters of gas will she need

2j+6 over j2 - 6j - 27

To keep his baseball team hydrated, Daniel mixes powdered sports drink with cold water. For best taste mix should be 96% water. If Daniel has used 16 scoops of powder and 2 quarts of water, how many...

The integers from 1 to 20 can be represented by using six ones and the mathematical operations such as addition subtraction multiplication and division allowing for the use of parentheses exponents...

Three out of four low-wage workers in the private sector do not have employer-provided health insurance, while eight out of nine do not participate in a pension plan. Three-fourths of low-wage workers...

Sir Isaac Newton investigated the cooling process of water temperature and showed that the temperature change is exponential in time and can be predicted by Tdiff=T0e-kt Where Tdiffis the...

scientific notation Use the problem solving plan. Find the number of boxes of apples that needed to be sold in 1998 to make a profit of \$40,000. Round to the nearest whole number.Last...

1.If Samantha and Logan can do their paper route together in 45 minutes, how many hours would it take each of    the to do it alone, given Samantha is three times as fast as Logan?  ...

1. A village wants to build a community center that is projected to cost 1.2 million dollars. Cost per resident is increased by \$3 as it is discovered there are 225 fewer residents than when planning...