Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.A theatre sells two types of tickets to their plays; children's tickets and adult tickets. For today's performance they have sold a total of 1165 tickets. Also, they have sold 4 times as many adult tickets as children's tickets. How many adult tickets have they sold?
A. 925
B. 929
C. 932
D. 938
Answer: C
Mathematics
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A. {(0, -2, 2)} B. ? C. {(0, 0, -2)} D. {(0, -2, 0)}
Mathematics
Solve the problem.A class consisting of 80 students is given an exam. The third quartile for the scores on the exam is 67. This means that
A. 67 students scored 75 or higher. B. 20 students scored 67 or higher. C. 60 students scored 67 or higher. D. 75 students scored 67 or higher. E. none of these
Mathematics
Provide an appropriate response.Write the equation so that it is quadratic in form.
What will be an ideal response?
Mathematics
Solve.x2 + y2 = 113x + y = 15
A. (8, -7), (7, -8) B. (-8, -7), (-7, -8) C. (-8, 7), (-7, 8) D. (8, 7), (7, 8)
Mathematics