Mathematics, 03.07.2019 00:10 mercedespennewp72wea
Suppose that the national average for the math portion of the college board’s sat is 515. the college board periodically rescales the test scores such that the standard deviation is approximately 100. answer the following questions using a bell-shaped distribution and the empirical rule for the math test scores. a. what percentage of students have an sat math score greater than 615? b. what percentage of students have an sat math score greater than 715? c. what percentage of students have an sat math score between 415 and 515? d. what is the z-score for student with an sat math score of 620? e. what is the z-score for a student with an sat math score of 405?
Answers: 2
Mathematics, 21.06.2019 19:30
Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?
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Mathematics, 21.06.2019 20:00
The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)
Answers: 2
Mathematics, 21.06.2019 21:00
Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.
Answers: 1
Mathematics, 21.06.2019 23:30
Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?
Answers: 3
Suppose that the national average for the math portion of the college board’s sat is 515. the colleg...
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