Mathematics, 21.02.2020 16:43, eichlingkera3
A concert promoter needs to make $42,000 from the sale of 1800 tickets. The promoter charges $20 for some tickets and $30 for the others. Let x represent the number of $20 tickets and y represent the number of $30 tickets. a. Write an equation that states that the sum of the tickets sold is 1800. b. How much money is received from the sale of $20 tickets? c. How much money is received from the sale of $30 tickets? d. Write an equation that states that the total amount received from the sale is $42,000. e. Solve the equations simultaneously to find how many tickets of each type must be sold to yield the $42,000.
Answers: 3
Mathematics, 21.06.2019 16:00, skylarschumacher7
Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?
Answers: 1
Mathematics, 21.06.2019 19:00, lexipooh7894
What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)
Answers: 1
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