Mathematics, 17.06.2021 04:20 xeno777
Two years ago, a group of 12-year-olds had a reading ability expressed by a mean score of 40.00 and s of 3.60; and a composition ability expressed by a mean of 62 and an s of 9.60. Today the group has gained 12 points in reading and 10.8 in composition. How times greater is the gain in reading than the gain in composition?
Answers: 1
Mathematics, 21.06.2019 15:10
If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.
Answers: 2
Mathematics, 21.06.2019 17:00
The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?
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Mathematics, 21.06.2019 17:00
Let f(x)=2x and g(x)=2x. graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ?me asap
Answers: 2
Two years ago, a group of 12-year-olds had a reading ability expressed by a mean score of 40.00 and...
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