math
A mason's assistant's rate of pay is $0.75 per cubic foot of earth moved. He moves 220 cubic feet of earth to dig a trench. What is his pay for this job? THE ANSWER IS NOT &330
Math
PLEASE HELP !!! A mason is putting in the foundation for a wall. His assistant digs a trench in roughly the shape of a rectangular solid measuring 50 ft. in length, 12 inches deep along both sides, and 12 inches wide at the top and bottom. How many cubic feet of earth did he r...
Math
A hot water heater measures 20" in diameter. What is the area of a metal base for the water heater, assuming a two-inch overhang for the base beyond the edge of the heater?
Trigonomety
Two buildings are 30 ft apart. The angle of elevation from the top of one to the top of the other is 19°. What is their difference in height?
Financial Accounting
Wings Inc., a software development firm, has stock outstanding as follows: 25,000 shares of cumulative 1%, preferred stock of $40 par, and 50,000 shares of $120 par common. During its first four years of operations, the following amounts were distributed as dividends: first ye...
Calculus
Use the Evaluation Theorem to find the exact value of the integral ç from 1/2 to 0 (a/ã(1−x^2)dx. The answer should involve the parameter a.
Geometry
The grade of a road or a railway road bed is the ratio rise/run, usually expressed as a percent. For example, a railway with a grade of 5% rises 5 ft for every 100 ft of horizontal distance. 1. The Johnstown, Pennsylvania, inclined railway was built as a "lifesaver" ...
math 118
On a math test a student where the mean is 50 and the standard deviation is 12, a student has a z-score of 0.83. What did the student score on the test?
science
In guitar, L= 1/2 lambda ; =75/2 =37.5cm
Spanish
8. Juego baloncesto. 9. Juego golf.
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