Mathematics, 14.11.2019 03:31 droidd133
Megan and sam were solving a system of equations. they both noticed that the two lines had different slopes. megan said that because each line in the system had different slopes, the two lines had to intersect, which meant there was one solution to the system. sam disagreed, and said they should also look at the y-intercepts. who is correct?
a. megan is correct. when two lines have different slopes, they must intersect, producing one solution.
b. neither person makes a valid argument.
c. sam is correct. when two lines intersect, their y-intercepts determine how many solutions there will be.
Answers: 3
Mathematics, 21.06.2019 15:30
The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y
Answers: 1
Mathematics, 21.06.2019 16:10
Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.
Answers: 3
Mathematics, 21.06.2019 18:30
In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x
Answers: 1
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