Solve the system of equations using elimination. 

A.
B. infinitely many solutions
C. no solution
D.


Answer: D

Mathematics

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Use implicit differentiation to find the specified derivative at the given point.Find  at the point (1, 2, e2) for ln(xz)y + 4y3 = 0.

A. - 
B. - 25
C.
D. 25

Mathematics

Solve the problem.A repair company's charge for repairing a certain type of copy machine fits the model  where y is the amount charged in dollars and x is the number of minutes the repair person is on the job. How many minutes would it take for the cost of repair to reach $130? (Round to the nearest minute.)

A. 13 min B. 134 min C. 287 min D. 203 min

Mathematics

Simplify. Write your answers in the form of a+bi, where a and b are real numbers.

A.  i
B. -  
C. -   -  i
D. -   +  i

Mathematics

Draw a tree diagram for the experiment. Then use the diagram to find the number of possible outcomes.Toss two coins.

A. 4 outcomes B. 2 outcomes C. 1 outcome D. 3 outcomes

Mathematics