Change the exponential expression to an equivalent expression involving a logarithm.ex = 15
A. ln 15 = x
B. logx e = 15
C. ln x = 15
D. log15 x = e
Answer: A
Mathematics
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Perform the division and simplify.
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?
A. 
B. ?
C. ?
D. ?
E. ?
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Use the binomial formula to expand the binomial.(2x + y)6
A. 64x6 + 192x5y + 240x4y2 + 160x3y3 + 240x2y4 + 192xy5 + 64y6 B. 64x6 + 192x5y + 240x4 y2 + 160x3 y3 + 60x2y4 + 12xy5 + y6 C. 2x6 + 12x5y + 30x4 y2 + 40x3y3 + 12xy5 + y6 D. 64x6 + 192x5y + 480x4y2 + 960x3y3 + 1440x2y4 + 12xy5 + y6
Mathematics
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Mathematics
Graph the equation.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics