Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round to four decimal places.log1/42
A. -0.5000
B. -0.3010
C. 0.9031
D. -2.0000
Answer: A
Mathematics
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Find a so that the statement is true.
A. 7 B. 4 C. 5 D. 6 E. 0
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Find the asymptotes of the hyperbola.9y2 - 25x2 = 225
A. y = 
x and y = - 
x
B. y = 
x and y = - 
x
C. y = 
x and y = - 
x
D. y = 
x and y = - 
x
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Multiply using the FOIL method.(5x + 8)(5x + 7)
A. 25x2 + 75x + 56 B. 25x2 - 5x + 56 C. 25x2 + 56 D. 10x2 + 15
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Translate into an equation, then solve.Bill paid $2.50 for a phone call lasting 19 minutes. Find the price per minute. Round to the nearest cent.
A. 19x = $2.50; $0.07
B. 
= $2.50; $0.13
C. 19x = $2.50; $0.13
D. 
= $2.50; $47.50
Mathematics