Find the values of x for which given series converges.
A. -10 ? x ? -8
B. -10 < x < -8
C. -9 < x < 9
D. 8 < x < 10
Answer: B
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Determine whether the given value is a solution of the inequality.-11n - 10 ? -12n - 15; -4
A. A solution B. Not a solution
Without graphing, answer the following questions for the linear system.(i) Is the system inconsistent, are the equations dependent, or neither?(ii) Is the graph a pair of intersecting lines, a pair of parallel lines, or one line?(iii) Does the system have one solution, no solution, or an infinite number of solutions?x + y = 6x + y = 8
A. (i) inconsistent (ii) parallel lines (iii) no solution B. (i) neither (ii) intersecting lines (iii) one solution C. (i) dependent (ii) one line (iii) infinite number of solutions
Solve the problem.Two points A and B are on opposite sides of a building. A surveyor selects a third point C to place a transit. Point C is 51 feet from point A and 73 feet from point B. The angle ACB is 50°. How far apart are points A and B?
A. 101.6 ft B. 74.4 ft C. 112.8 ft D. 56.1 ft
Write an equation that expresses the relationship. Use k for the constant of proportionality.x varies jointly as y and z and inversely as the square root of a.
A. x = 
B. x = 
C. x = 
D. x = 