In ΔABD shown below, c is on 
, 
⊥ , the length of 
is 6 inches, the length of is 10 inches, and sin d = 0.8. What is the area of ΔABD in square inches?
(A)6
(B) 12
(C) 24
(D) 30
(E) 60
What is the slope of a line perpendicular to the line 3x + 2y = 19?
（A）- 
（B） 
（C） 
（D）
（E） 3
Correct Answer: C
A teacher takes 5 children on a field trip to a geological museum. As a souvenir, the group receives a bag of stones. When the teacher divides the stones evenly among the children, each child receives exactly 24. If 6 children had been present, how many stones would each child have received?
(A) 15(B) 16(C) 18(D) 20(E) 21
Correct Answer: D
Tara’s three bowling scores in a tournament were 167, 178, and 186. What was her average score for the tournament?
(F) 176(G) 177(H) 178(J) 179(K) 180
Correct Answer: G
More ACT Math Exam Questions
- 1
A two-digit number from 10 to 99, inclusive, is chosen at random. What is the probability that this number is divisible by 5?
- 2For which of the following values of a will there be exactly one real solution to the equation 2x2 - ax + 8 = 0?
- 3For any positive two-digit integer x with tens digit t, units digit u, and t ≠ u, y is the two-digit integer formed when the digits of x are reversed. What is the greatest possible value of (y - x) when t is less than u?
- 4
If
, what is the value of a? - 5
In the figure given below, what is sin θ?
