Mathematics, 20.05.2021 02:00, 25jzaldivar

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Mathematics, 21.06.2019 13:00, krishawnnn

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

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Mathematics, 21.06.2019 13:30, babyshazi

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

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Mathematics, 21.06.2019 19:20, sierravick123owr441

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

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Mathematics, 21.06.2019 21:30, ladydeathanddea

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

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