MCAS 2001, 10th Grade Math, Questions 9 to 12

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Question #9

Julie designed a target computer game. On her computer screen, the circular targets look like the circular areas shown below.

If the computer randomly generates a dot that lands within the circular areas, what is the approximate probability that the dot will land in the shaded area?

A. 1/9

B. 2/9

C. 1/3

D. 2/3

Question #10

Which of the following is always true?

A. The product of any two integers is an integer.

B. The quotient of any two integers is an integer.

C. The product of any two irrational numbers is irrational.

D. The quotient of any two irrational numbers is irrational.

Question #11

In Oak Park, a picnic table is located 70 feet from the water fountain and 90 feet from the swings. What is the longest possible distance that the water fountain could be from the swings?

Question #12

Use the diagram below to answer question 12.

Runways A and B are parallel to each other and perpendicular to Runway C. If Runway D makes a 35° angle with Runway A as shown in the diagram, what is the measure of the angle marked in the diagram between Runways C and D?

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