Mathematics, 18.08.2020 14:01 lalaboooobooo
A collection of nickels, dimes and pennies has an average value of 7 cents per coin. If a nickel were replaced by five pennies, the average would drop to 6 cents per coin. What is the number of dimes in the collection?
Answers: 2
Mathematics, 21.06.2019 19:00
Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers
Answers: 3
Mathematics, 21.06.2019 19:30
It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?
Answers: 1
Mathematics, 21.06.2019 19:30
Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.
Answers: 1
A collection of nickels, dimes and pennies has an average value of 7 cents per coin. If a nickel wer...
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