Write the product in standard form.(
+ 3i)(4 - 2i)
A. -12 + 24i
B. -6 + 18i
C. 12 + 24i
D. -18 + 18i
Answer: C
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Solve the problem.If the life, in years, of a washing machine is normally distributed with a mean of 13 years and a standard deviation of 1.6 years, what should be the guarantee period if the company wants less than 1% of the machines to fail while under warranty?
A. More than 9.272 years B. Less than 9.272 years C. Less than 16.728 years D. More than 16.728 years
Find the surface area of the solid figure.Use 3.14 for ?. Round to the nearest hundredth.
A. 1519.76 m2 B. 506.59 m2 C. 5572.45 m2 D. 379.94 m2
Solve the problem.A paper boy collected $6.55, part in nickels and part in dimes. If the number of nickels was 6 more than one-half the number of dimes, how many nickels were there?
A. 41 nickels B. 50 nickels C. 31 nickels D. 60 nickels
Evaluate.
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