Insert parentheses as needed in the expression in order to make it equal to 0. More than one set of parentheses may be needed.142 ÷ 5 + 9 - 14
A. 142 ÷ (5 + 9) - 14
B. (142 ÷ 5) + 9 - 14
C. 142 ÷ 5 + 9 - 14
D. 142 ÷ 5 + (9 - 14)
Answer: A
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Solve the problem.A bullet is fired with a muzzle velocity of 1393 ft/sec from a gun aimed at an angle of 8° above the horizontal. Find the horizontal component of the velocity.
A. 193.9 ft/sec B. 1379 ft/sec C. 195.8 ft/sec D. -202.7 ft/sec
Write the first five terms of the geometric sequence with the given information.an = -2an-1; a1 = -3
A. -3, -5, -7, -9, -11 B. -3, 6, -12, 24, -48 C. 6, -12, 24, -48, 96 D. -2, -6, -12, -24, -48
Solve.A theater has 36 rows with 25 seats in the first row, 30 in the second row, 35 in the third row, and so forth. How many seats are in the theater?
A. 8,100 seats B. 4,140 seats C. 8,280 seats D. 4,050 seats
Solve the inequality. Graph the solution set and write it in interval notation.3x - 6 ? 2x - 4
A. (-10, ?)
B. (2, ?)
C. (-?, 2]
D. [2, ?)