An online store receives customer satisfaction ratings between 0 and 100, inclusive. in the first 10 ratings the store received, the average(arithmetic mean) of the ratings was 75. what is the least value the store can receive for the 11th rating and still be able to have an average of at least 85 for the first 20 ratings?
Answers: 2
SAT, 22.06.2019 02:20
When amy exercises in her fitness center for 1 hr she burns a total of 475 calories.if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?
Answers: 2
SAT, 26.06.2019 13:00
What undergraduate degree can a student earn at a four-year college (not specific to a field of study)?
Answers: 1
SAT, 28.06.2019 09:30
Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.
Answers: 1
An online store receives customer satisfaction ratings between 0 and 100, inclusive. in the first 10...
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