Mathematics, 01.10.2019 13:30 soliseric879
On monday, a security guard spent 4.5 hours on patrol and 2 hours on surveillance. on tuesday, the officer spent 1 hour and 40 minutes on surveillance and 3 hours on patrol. which day has a greater ratio of time on surveillance to time on patrol?
Answers: 1
Mathematics, 20.06.2019 18:04
Point $(x,y)$ is randomly picked from the rectangular region with vertices at $(0,,,2010),$ and $(0,2010)$. what is the probability that $x > 7y$? express your answer as a common fraction.
Answers: 1
Mathematics, 21.06.2019 17:30
Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil
Answers: 1
Mathematics, 21.06.2019 19:00
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 3
On monday, a security guard spent 4.5 hours on patrol and 2 hours on surveillance. on tuesday, the o...
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