Mathematics, 21.09.2019 14:30 harleyandpope90
Rita has a collection of 96 coins consisting of nickels, dimes, and quarters. the number of dimes is 2 more than one third the number of nickels, and the number of quarters is twice the number of dimes. her friend robin has a collection of her own 98 coins, with 10 more dimes than nickels and twice as many quarters as dimes. how many coins of each kind rita has in her collection and how many coins of each kind robin has in her collection?
Answers: 1
Mathematics, 21.06.2019 16:50
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
Mathematics, 21.06.2019 19:00
Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1
Answers: 1
Mathematics, 21.06.2019 19:30
Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?
Answers: 1
Rita has a collection of 96 coins consisting of nickels, dimes, and quarters. the number of dimes is...
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