Find the product and write the result in standard form.(-3 + 4i)(2 + i)
A. -2 + 5i
B. -10 - 11i
C. -10 + 5i
D. -2 - 11i
Answer: C
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A sample statistic and margin of error are given. Find the confidence interval likely to contain the population parameter of interest and answer the question.In a survey conducted in a certain city it was found that 5.3% of men and 6.1% of women were unemployed. The margin of error for each report was 0.6 percentage points. Use each sample statistic to find a confidence interval. Can we conclude that the unemployment rate is higher amongst women than amongst men?
A. men: 4.7% to 5.3% women: 6.1% to 6.7% yes B. men: 4.7% to 5.9% women: 5.5% to 6.7% no C. men: 5.3% to 5.9% women: 5.5% to 6.1% no D. men: 5% to 5.6% women: 5.8% to 6.4% yes
In the following question(s), FN represents the Nth Fibonacci number.If F500 = a and F501 = b, then F502 =
A. 2a - b. B. a + b. C. a + 2a. D. b - a. E. none of these
Solve the problem.Rope sells for 3¢ per inch at the local hardware store. If Sylvia needs 11 feet of this rope, how much money will she spend?
A. $0.33 B. $396.00 C. $3.96 D. $132.00
Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula , as needed.Find [H3O+] if the pH = 6.
A. 1.0 × 10-6 B. 2.0 × 106 C. 1.0 × 106 D. 3.0 × 10-6