MCAS 1999, 10th Grade Math, Questions 25-28

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Question #25

Suppose there is a mathematical formula known as Peg's Theorem. In Peg's Theorem,

for G not equal to 0.

If E remains fixed and G decreases by 50%, then P becomes

A. twice as large.

B. half as large.

C. the same.

D. four times as large.

Question #26

Use the graphs below to answer question 26.

The graphs show numbers of baskets made by Paul and Terrell during 5 basketball practice sessions. They each take 100 practice shots in each practice session. According to the information in these graphs, who was more successful at making baskets?

A. Paul did much better.

B. Terrell did much better.

C. Their scores appear to be about the same.

D. More information is needed to make a decision.

Question #27

A manufacturing company has 750 employees. It plans to increase its work force by 15 employees per month until it has doubled in size.

Which of the equations below will help you determine the number of months, m, it will take the company to double in size?

A. 750 + 15 = 2m

B. 2(750) = 15m

C. (750 + 15)2 = m

D. (750 + 15m = 2(750)

Question #28

What is the measure of the angle between the minute hand and the hour hand when the time on the clock is 2:30?

A. 60^o

B. 75^o

C. 105^o

D. 120^o

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