Numerade

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if the coordinates are d(30,5) H(0,0), E (40, 4) what is the area of the triangle

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QUESTION 5 Each member of a three-person field crew is paid $20 per hour. The same work could be done by a machine that costs $100,000 and is operated by one person who would be paid $30 per hour. Assume that the life of the machine is five years and that there is 1500 hr of field work per year. The minimum attractive rate of return is 20%. The benefit-cost ratio of the machine is most nearly A. 0.7 B. 1.3 C. 2.3 D. can't be determined because there is no annual cost

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14 following statement is correct 1 kb is equal to 1024 bytes 1 MB is equal to 2048 bites 1 MB is equal to 1000 kilobytes 1 kb is equal to 1000 bytes

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Choose the answer that best completes the following sentence: The particle's motion can be described by ____________. an ellipse starting at time t=0 on the positive x axis an ellipse starting at time t=0 on the positive y axis a circle starting at time t=0 on the positive x axis a circle starting at time t=0 on the positive y axis

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The human resources department at a large company regularly conducts an employee satisfaction survey. One item on the survey presents employees with the statement, \"I am happy overall at work.\" Based on historical data, here is the distribution of responses to this item: Response Strongly agree Agree Disagree Strongly disagree Historical distribution 70% 15% 5% 10% The human resources department wants to test if the most recent responses fit the historical distribution. Here is a sample of 150 of the most recent responses to the statement along with a chi-square goodness-of-fit test. Response Strongly agree Agree Disagree Strongly disagree Observed 104 20 14 12 Expected 105 22.5 7.5 15 Components 0.01 0.28 5.63 0.6 $\chi^2$ = 6.52, DF = 3 P-value = 0.089 Which response contributed the most to the test statistic? Choose 1 answer: A Strongly agree B Agree C Disagree D Strongly disagree

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Why do differences in parenting styles exist between Italy and America?

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The famous Bobo doll experiment by Bandura on observational learning found that O children quickly form cognitive maps of playrooms and playgrounds. O girls are more likely to imitate aggression acts than boys. O children are less likely to imitate the actions of someone who has been punished for his/her behavior than the actions of someone who has been rewarded. O children can be classically conditioned to fear rats and other furry objects.

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Explain the general enzymatic reactions that occurred during the digestion of proteins

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Evaluate the definite integral:\\ $\int_0^{1/5} \frac{1}{\sqrt{1 - x^2}} dx = $

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A survey was conducted that asked 952 people how many books they had read in the past year. Results indicated that $x = 13.9$ books and $s = 18.2$ books. Construct a 98% confidence interval for the mean number of books people read. Interpret the interval. Construct a 98% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) A. There is 98% confidence that the population mean number of books read is between and B. There is a 98% probability that the true mean number of books read is between and C. If repeated samples are taken, 98% of them will have a sample mean between and

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kevin j.