Mathematics, 11.03.2021 07:10 barstr9146
Janelle spent:
Harper and Dean raced each other in
gym class. Harper ran 100 m in 14.56
seconds. Dean ran the same distance in
15.12 seconds. How much faster was
Harper than Dean?
Number model:
Estimate:
Answers: 1
Mathematics, 21.06.2019 13:40, kathrynway9438
Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?
Answers: 2
Mathematics, 21.06.2019 21:50, zymikaa00
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
Janelle spent:
Harper and Dean raced each other in
gym class. Harper ran 100 m in 14.56
...
gym class. Harper ran 100 m in 14.56
...
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