A department store escalator is 25 feet long and forms an angle of 43° with the floor, which is horizontal. Which of the follow is an expression for the horizontal distance of the escalator from beginning to end?
(A) 25 sin 43°
(B) 25 cos 43°
(C) 25 tan 43°
(D) 25 csc 43°
(E) 25 sec 43°
The stem-and-leaf plot below shows the scores for each golfer in a recent tournament at the Lehigh Valley Golf Club. There were 13 golfers participating in the tournament.
(Note: For example, a score of 72 would have a stem value of 7 and a leaf value of 2.) If a score represented in the stem-and-leaf plot is selected randomly, what is the probability that the score selected is exactly 83?
（A）
（B） 
（C） 
（D） 
（E） 
Correct Answer: A
In the following figure, the two triangles are similar. The lengths of their sides are shown. What is the value of yin terms of x?
(F) x+ 1(G) x+ 2(H) x+ 3(J) x+ 4(K) x+ 5
Correct Answer: J
This semester, Gerry scored an average of 93 on his five history exams. He got the same score on his first two exams, and then he got a 94, an 85, and a 90 on the remaining exams. What score did he receive on his first two exams?
(F) 95(G) 96(H) 97(J) 98(K) 99
Correct Answer: J
More ACT Math Exam Questions
- 1
When (2x + 4)2 is written in the format ax2 + bx + c, where a, b, and c are integers, what is the value of a + b - c?
- 2
The figure below shows a ramp for skateboarders. The base of the ramp is 25 feet long, and it rises at a 10° angle.
Given the trigonometric calculations in the table below, how high off the ground will a skateboarder be at the top of the ramp, rounded to the nearest 0.1 foot?
- 3If the lengths of adjacent sides of a rectangular playground have measures of 4x - 3 and 2x2 + 7 units, respectively, then which of the following expressions represents the area, in square units, of the playground?
- 4Emilia is going to bake cookies. She rolls out a square of dough that
is 12 inches wide by 12 inches long and cuts 9 identical circular
cookies from the dough, as shown in the figure below. Each circular
cut-out is tangent to the circular cut-outs next to it and tangent to
the edge or edges of the square piece of dough it touches.
Approximately, what is the area, in square inches, of the remaining
dough, as shown in the figure?
- 5Erin and Amy are playing poker. At a certain point in the game, Erin has 3 more chips than Amy. On the next hand, Erin wins 4 chips from Amy. Now how many more chips does Erin have than Amy?