Mathematics, 02.08.2021 22:30 Nextlevel3
Maddie mailed y letters in January. She mailed 3 times
as many letters in February. In March, she mailed 10
letters more than half of what she mailed in January and
February together. If a letter costs $0.37 to mail, which
expression represents the amount of money, in dollars,
Maddie spent mailing letters in March?
Answers: 3
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Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?
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Find the value of x for which line a is parallel to line b
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Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.
Answers: 1
Maddie mailed y letters in January. She mailed 3 times
as many letters in February. In March, she m...
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