A student correctly answered 80% of the 20 questions on the test. Howmany questions did the student answer correctly?
General Systems Thursday, September 29, 2016 3:50 PM A fruit store sell two types of fruit, apples and oranges. Apples are $2 and oranges are $3.Today 50 fruit was sold and the store made $110. 110 = 2▯ + 3▯ 50 = ▯ + ▯ ▯ = 40 ▯ = 10 General ▯▯ ▯+ ▯ ▯▯ ▯⋯+ ▯ ▯ = ▯ ▯ A linear equation is an equation in the form of: • X's are variables and a's are constants. • Solution set for a linear equation is the set of all solutions. • Set of linear equations where a commonsolution is desired is called a system of linear equations. Graphs • 1 variables is a point • 2 variables is a line • 3 variables is a plane • 4+ variables is a hyperplane Examples Of Systems 2 equations, 2 unknowns • No solutions • One
