Mathematics, 12.12.2021 02:30 Lalagrl
Aria earned a score of 77 on Exam A that had a mean of 57 and a standard deviation
of 10. She is about to take Exam B that has a mean of 350 and a standard deviation of
25. How well must Aria score on Exam B in order to do equivalently well as she did
on Exam A? Assume that scores on each exam are normally distributed.
Answers: 3
Mathematics, 21.06.2019 17:30
Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil
Answers: 1
Mathematics, 21.06.2019 22:10
This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.
Answers: 2
Mathematics, 21.06.2019 22:30
Iβve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.
Answers: 3
Aria earned a score of 77 on Exam A that had a mean of 57 and a standard deviation
of 10. She is a...
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