In the circle below, O is the center and measures 5 inches from chord 
. The area of the circle is 169π square inches. What is the length of , in inches?
(A)12
(B) 13
(C) 18
(D) 24
(E) 26
How many 4-letter orderings, where no letters are repeated, can be made using the letters of the word BADGERS?
(A) 4 (B) 7 (C) 256 (D) 840 (E) 2,401
Correct Answer: D
For all nonzero real numbers a, b, and c, what is the value of a0 + b0 + c0?
(A) Undefined (B) a + b + c (C) 0 (D) 1 (E) 3
Correct Answer: E
A password for a computer system requires exactly 6 characters. Each character can be either one of the 26 letters from A to Z or one of the ten digits from 0 to 9. The first character must be a letter and the last character must be a digit. How many different possible passwords are there?
(A) less than 107(B) between 107and 108(C) between 108and 109(D) between 109and 1010(E) more than 1010
Correct Answer: C
More ACT Math Exam Questions
- 1What is the greatest common factor of 42, 126, and 210 ?
- 2|5 - 8| - |9 - 3| = ?
- 3
Which of the following inequalities is represented by the following number line?
- 4
(2 - 4t + 5t2) - (3t2 + 2t - 7) is equivalent to:
- 5
Gregor works as a political intern and receives a monthly paycheck. He spends 20% of his paycheck on rent and deposits the remainder into a savings account. If his deposit is $3,200, how much does he receive as his monthly pay?