Tell whether the statement is true or false. If false, give the reason.11 ? {22, 33, 44, 55, 66}

A. False; 11 is a factor of the elements.
B. False; 11 is not an element of the set.
C. True
D. False; 11 is a set.


Answer: B

Mathematics

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Provide an appropriate response.Solve the following system of equations using the addition method: x - y = 7 x + y = 5

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve the problem.A searchlight is shaped like a parabola. If the light source is located 3 feet from the base along the axis of symmetry and the opening is 8 feet across, how deep should the searchlight be?

A. 4 ft B. 1.3 ft C. 5.3 ft D. 0.6 ft

Mathematics

Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.2x + 8y + 6z = 204x + 2y - 2z = -23x - y + z = 11

A. (-1, 2, 1) B. (2, 1, 6) C. (2, -1, 4) D. No solution

Mathematics

The cost C (in millions of dollars) of removing p% of the industrial and municipal pollutants discharged into a river is given by


Select the correct graph of the cost function.

Mathematics