Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log3
A. 9 - log3x
B. 
C. - 3log3x
D. 3 - log3x
Answer: D
Mathematics
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Round off the approximate number as indicated.2090 2 significant digits
A. 2000 B. 2100 C. 290 D. 2200
Mathematics
Solve.A 26-ft-tall ladder is placed so that it reaches 20 ft up on the wall of a house. How far is the base of the ladder from the wall of the house? Round to the nearest tenth if needed.
A. 32.8 ft B. 16.6 ft C. 1076 ft D. 276 ft
Mathematics
What is the standard deviation of this set of numbers: 6, 5, 2, 9, 0, 3, 3?
A. 2.94 B. 4.00 C. 9.00 D. 3
Mathematics
Find the x- and y-intercepts of the graph of the equation. x = y2 - 9y + 20
A. x-intercept: -20; y-intercepts: -5, -4 B. x-intercepts: 5, 4; y-intercept: 20 C. x-intercepts: -5, -4; y-intercept: -20 D. x-intercept: 20; y-intercepts: 5, 4
Mathematics