Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.log22 11 + log22 2
A. 22
B. 11
C. 2
D. 1
Answer: D
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Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 14 ft wide and the canal is 43 ft deep at the center, how deep is it 1 ft from the edge?
A. 31.6 ft B. 37.1 ft C. 5.9 ft D. 11.4 ft
Find the number of ways to get the following card combinations from a 52-card deck.If two cards are drawn from a 52-card deck without replacement, in how many different ways is it possible to obtain a king on the first draw and a king on the second?
A. 2 ways B. 12 ways C. 8 ways D. 16 ways
Write the following as a sum using powers of 10 to show place value.472.8002
A. 4 ? 102 + 7 ? 101 + 2 ? 100 + 8 ? 10-1 + 0 ? 10-2 + 0 ? 10-3 + 2 ? 10-4 B. 4 ? 102 + 7 ? 101 + 2 ? 100 + 8 ? 100 + 0 ? 10-1 + 0 ? 10-2 + 2 ? 10-3 C. 4 ? 103 + 7 ? 102 + 2 ? 101 + 8 ? 100 + 0 ? 10-1 + 0 ? 10-2 + 2 ? 10-3 D. 4 ? 103 + 7 ? 102 + 2 ? 101 + 8 ? 10-1 + 0 ? 10-2 + 0 ? 10-3 + 2 ? 10-4
Find the area enclosed by the given curves.y = x, y = x2
A. 
B. 
C. 
D. 