Mathematics, 13.08.2019 00:30 lesok0818
Acertain store sells only black shoes and brown shoes. in a certain week, the store sold x black shoes and y brown shoes. if 2/3 of all shoes sold that week were black, which of the following expressions represents the value of y, in terms of x? a. x/3 b. x/2 c. 2x/3 d. 3x/2 e. 2x
Answers: 2
Mathematics, 21.06.2019 14:00
△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .
Answers: 1
Mathematics, 21.06.2019 15:00
The data shown in the table below represents the weight, in pounds, of a little girl, recorded each year on her birthday. age (in years) weight (in pounds) 2 32 6 47 7 51 4 40 5 43 3 38 8 60 1 23 part a: create a scatter plot to represent the data shown above. sketch the line of best fit. label at least three specific points on the graph that the line passes through. also include the correct labels on the x-axis and y-axis. part b: algebraically write the equation of the best fit line in slope-intercept form. include all of your calculations in your final answer. part c: use the equation for the line of best fit to approximate the weight of the little girl at an age of 14 years old.
Answers: 3
Mathematics, 21.06.2019 19:10
Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15
Answers: 1
Mathematics, 21.06.2019 21:30
Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis
Answers: 2
Acertain store sells only black shoes and brown shoes. in a certain week, the store sold x black sho...
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