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
3x3·2x2y·4x2y is equivalent to:
(A) 9x7y2 (B) 9x12y2 (C) 24x7y2 (D) 24x12y (E) 24x12y2
Correct Answer: C
What is the solution set for the equation |-x| = x?
(A)All real numbers (B) x ≥ 0 (C) x ≤ 0 (D) Only x = 0 (E) Only x = -1
Correct Answer: B
An outdoor thermometer in Hanover, NH reads 70°F. The temperature in Hanover is 25°F cooler than in New Orleans,LA. What is the temperature, C, in degrees Celsius, in New Orleans?
(Note: F = C + 32)
(A)21°C (B) 35°C (C) 68°C (D) 95°C (E) 113°C
Correct Answer: B
More ACT Math Exam Questions
- 1What is the distance in the standard (x, y) coordinate plane between the points (5,5) and (1,0)?
- 2
If x - 15 = |-5|, then x =?
- 3If sin θ =
and cos θ =
, then csc θ = ?
- 4The vertices of a parallelogram in the coordinate plane are (3, 3), (7, 3), (8, 8), and (4, 8). What is the area of this parallelogram?
- 5
In isosceles triangle ABC below, the measures of
BAC and
BCA are equal and
. The diagonals of trapezoid DECA intersect at F. The lengths of
and
are 6 centimeters, the length of
is 9 centimeters, and the length of
is 27 centimeters. What is the length, in centimeters, of
?