Pinexam——There is royal road to learning.
Home ACT Math ACT English PE Exam CPA IELTS Contact Us

Home->ACT Math

Find the value of cos A if angle A is acute and sin A = 7/10  

(A) 3/10

(B) 1/9

(C) 7/√51

(D) 51/10

(E) √51/10

The Correct Answer
Explanation

The point (24,3) on a standard (x,y) coordinate plane is halfway between points (z,2z + 1) and (15z,z - 4). What is the value of z?

(F) 1 (G) 1.5 (H) 3 (J) 7 (K) 24

Correct Answer: H

Light travels at approximately 186,000 miles per second. At that rate, approximately how many miles will it travel in 3 hours?

(A)1.6 × 105 (B)1.6 × 108 (C)2.0 × 108 (D)2.0 × 109 (E)2.2 × 109

Correct Answer: C

The expression x2 - 7x + 12 is equivalent to:

(F) (x - 12)(x + 1)

(G) (x - 4)(x - 3)

(H) (x - 4)(x + 3)

(J) (x - 6)(x - 2)

(K) (x - 6)(x + 2)

Correct Answer: G

More ACT Math Exam Questions