Mathematics, 20.12.2019 23:31 carebear60
Ian has $0.81 worth of pennies and nickels. he has a total of 21 pennies and nickels altogether. write a system of equations that could be used to determine the number of pennies and the number of nickels that ian has. define the variables that you use to write the system.
Answers: 1
Mathematics, 21.06.2019 14:30
After the seventh month of a 12-month loan: the numerator is: {(n + 11) + (n + 10) + (n + 9) + (n + 8) + (n + 7) + (n + 6) + (n + 5)} = , and the denominator is: {(n) + (n + 1) + + (n + 11)} = . therefore, the fraction is numerator/denominator (to the nearest tenth) = %
Answers: 2
Mathematics, 21.06.2019 18:00
Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia
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