Find the general form of the equation for the line with the given properties.Slope =
; containing (0, 3)
A. -7x - 9y = 27
B. -7x + 9y = 27
C. -7x + 9y = -27
D. 9x - 7y = -27
Answer: B
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Solve the variation problem.The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit above the earth in
at a velocity of
how long would it take a satellite to complete an orbit if it is at
-4.0px;" /> above the earth at a velocity of
Use
as the radius of the earth, and round your answer to the nearest hundredth of an hour.
A. 51.59 hours
B. 22.14 hours
C. 7.18 hours
D. 221.4 hours
Fill in the blank with one of the words or phrases listed below. A statement of the form "expression = expression" is called a(n)
.
A. average B. expression C. absolute value D. equation
Use a formula to solve the problem.A pie-shaped (triangular) lake-front lot has a perimeter of 900 feet. One side is 100 feet longer than the shortest side, while the third side is 200 feet longer than the shortest side. Find the lengths of all three sides.
A. 300 ft, 300 ft, 300 ft B. 100 ft, 200 ft, 300 ft C. 200 ft, 300 ft, 400 ft D. 300 ft, 400 ft, 500 ft
Solve the problem.The growth in the population of a certain rodent at a dump site fits the exponential function where t is the number of years since 1973. Estimate the population in the year 2000.
A. 1208 B. 1247 C. 526 D. 604