VA 8.R Q3 - MTH264-U22, section 07 X VA 5b450e9426b63b9e7a1b150bads x G course hero - Google Search X + V X - C webassign.net/web/Student/Assignment-Responses/last?dep=29224107 * I C y! apple credit union -... New Tab Settings M Gmail YouTube ) Maps Translate 1. [-/1 Points] DETAILS SCALC9 8.4.003. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A mining company estimates that the marginal cost of extracting x tons of copper ore from a mine is 0.4 + 0.008x, measured in thousands of dollars per ton. Start-up costs are $120,000. What is the cost of extracting the first 50 tons of copper? $ What is the cost of extracting the next 50 tons? $ Need Help? Read It Watch It 2. [-/1 Points] DETAILS SCALC9 8.1.026. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the length of the arc of the curve from point P to point Q. x2 = (y - 4)3, P(1, 5), Q(27, 13) Need Help? Read It 3. [-/1 Points] DETAILS SCALC9 8.5.014. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER According to the National Health Survey, the heights of adult males in the United States are normally distributed with mean 69.0 inches and standard deviation 2.8 inches. (a) What is the probability that an adult male chosen at random is between 65 and 73 inches tall? (Round your answer to three decimal places.) (b) What percentage of the adult male population is more than 6 feet tall? (Round your answer to one decimal place.) Need Help? Read It HOR w 11:49 PM 7/4/2022 E3