Write the English phrase as an algebraic expression. Let x represent the number. Simplify the expression, if possible.The quotient of 61 and a number
A. 61x
B.
C. 61 - x
D.
Answer: D
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 5x2 - 7y2
A. Domain: all points in the first quadrant of the xy-plane; range: all real numbers; level curves: hyperbolas
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: ellipses
C. Domain: all points in the xy-plane; range: all real numbers; level curves: hyperbolas
D. Domain: all points in the xy-plane; range: all real numbers; level curves: ellipses
Fill in the blank with one of the words or phrases listed below. A
is a rate with a denominator of 1.
A. proportion B. ratio C. unit price D. unit rate
The following question refers to a school district with three high schools. The total number of students in the district is 3000. The teachers within the district are apportioned to the high schools based on the schools' respective enrollments. The standard quota for each school is given in the following table.
How many students are enrolled in Central High?
A. 1500 B. 1450 C. 1550 D. 1400 E. none of these
Solve the problem.A real estate agent agrees to sell an office building according to the following commission schedule: $27,000 plus 20% of the selling price in excess of $800,000. Assuming that the office building will sell at some price between $800,000 and $1,200,000, inclusive, over what range does the agent's commission vary?
A. The commission will vary between $27,000 and $257,000, inclusive. B. The commission will vary between $28,000 and$107,000, inclusive. C. The commission will vary between $27,000 and $107,000, inclusive. D. The commission will vary between $187,000 and $267,000, inclusive.