Mathematics, 12.11.2020 01:50, kaykay9243
Elina is gathering up change she has saved. She has a total of $2.60. All of her change is in either nickels,
dimes, or quarters. She has twice as many dimes as quarters and two less quarters than nickels.
(a) Is it possible that Elina has eight dimes, four quarters, and six nickels? Explain.
(b) Is it possible that Elina has 12 dimes, four quarters and eight nickels? Explain.
(c) If the number of quarters Elina has is represented by the variable n, write an equation that models this
problem and solve it for the number of each type of coin.
Answers: 3
Mathematics, 21.06.2019 14:50, brad7330
An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x
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Mathematics, 21.06.2019 15:30, makaylapink8167
The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.
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Mathematics, 21.06.2019 20:00, karamalqussiri478
The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?
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Elina is gathering up change she has saved. She has a total of $2.60. All of her change is in either...
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