Mathematics, 22.04.2021 15:00, miguelpoblano5673
The following system of linear equations is to be solved by SUBSTITUTION. Substituting from the first equation into the second equation produces which new equation?
3(1/2x - 5) - 2y = 3
3x - 2(1/2x - 5) = 3
3x - 2y = 1/2x - 5
y = 1/2(3x - 2y) - 5
Answers: 2
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 whiteโs income and expenses, what is the expected value of each insured customer?
Answers: 1
Mathematics, 22.06.2019 01:40, jraemier5480
Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?
Answers: 1
The following system of linear equations is to be solved by SUBSTITUTION. Substituting from the firs...
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