Mathematics, 30.12.2019 23:31 deepspy599otchpd
Two college roommates have each committed to donating to charity each week for the next year. the roommates’ weekly incomes are independent of each other. suppose the amount donated in a week by one roommate is approximately normal with mean $30 and standard deviation $10, and the amount donated in a week by the other roommate is approximately normal with mean $60 and standard deviation $20. which of the following is closest to the expected number of weeks in a 52-week year that their combined donation will exceed $120 ? 0; the combined donation never exceeds $120 in a weeka1 weekb3 weeksc5 weeksd8 weeks
Answers: 1
Mathematics, 21.06.2019 17:20
What is the reflection image of (5,-3) across the line y = -x?
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Mathematics, 21.06.2019 20:00
Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
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Mathematics, 21.06.2019 22:00
20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1
Answers: 2
Two college roommates have each committed to donating to charity each week for the next year. the ro...
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