Mathematics, 20.09.2020 16:01 marvezunderwood
In 2009, 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. Given that the distribution is bell-shaped, what percentage of students have an SAT math score greater than 715? a. approx 2.5% b. approx 68% c. approx 95% d. none of the above
Answers: 1
Mathematics, 21.06.2019 15:10
Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)
Answers: 1
Mathematics, 21.06.2019 19:00
1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)
Answers: 1
Mathematics, 21.06.2019 21:30
Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50
Answers: 3
Mathematics, 21.06.2019 22:30
If a line is defined by the equation y = 5x + 2, what is the slope?
Answers: 2
In 2009, the national average for the math portion of the College Board's SAT is 515. The College Bo...
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