In order to solve the following system of equations by addition, which of the
following could...
Mathematics, 04.09.2019 16:10 blackops7777
In order to solve the following system of equations by addition, which of the
following could you do before adding the equations so that one variable will
be eliminated when you add them?
4x – 2y = 7
3.x – 3y = 15
Answers: 1
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?
Answers: 1
Mathematics, 21.06.2019 18:30, darlene1283
Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?
Answers: 3
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