Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.10log 10 - log 2
A. 100,000
B. 10
C. log 8
D. 5
Answer: D
Mathematics
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Find the probability.A child rolls a 6-sided die 6 times. What is the probability of the child rolling exactly two fours? Round to the nearest ten-thousandth.
A. 0.5681 B. 0.0621 C. 0.7182 D. 0.2009
Mathematics
Perform the indicated operation. Write the result in the form a + bi.(4 + i
) + (6 - i
)
A. 10 + 6i
B. 10 + 6
C. 10 - 6i
D. 10 - 6
Mathematics
Complete the factoring.5x2 + 6x - 8 = (5x - 4)( )
A. 4 - 5x B. x - 2 C. x + 2 D. 5x - 12
Mathematics
Use a proportion to solve the problem.The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 200 yards with a 7-iron, how far should he average with a 5-iron?
A. 167 yards B. 189 yards C. 211 yards D. 240 yards
Mathematics