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Does a distance-versus-time graph show a horizontle line?
Distance and Time are variables and always moving. Therefore the answer is no. Let's suppose: If time is the vertical axis and distance (travelled) the horizontal axis. Standing still (not travelling) would show a vertical graph line. If distance is the vertical axis and time the horizontal axis. Then standing still would form a horizontal line based on time alone.
Show that the perpendicular let fall from any point of the straight line 2x plus 11y equals 5 upon the two straight lines 24x plus 7y equals 20 and 4x -3y equals 2 are equal to each other?
I assume you mean that the verticle line segments drawn from the first line to each of the other two lines have equal lengths. This cannot be shown because it is not true.
Example of subset of a line?
let A be the set {1,2,3,4} let B the set {1,3} let C be the set {1,2,4,5} from this, we can say that B is a subset of a because all of the members of B are also member of in another.
Is there a pentagon with 1 line of symmetry?
Yes. Let's say you draw a square, with a triangle on top, like a house. The only line of symmetry for this is straight down the middle.
What is the equation of the xy trace for the plane 5x 2y 3z equals 10?
Let's say that 5x + 2y + 3z = 10 is a line (that lives in a three dimensional space. When we let z = 0, the given line is projected on the xy-plane, and it will cut both x- and y-axis. So the equation of the trace line is 5x + 2y = 10. The line cut the x-axis at x = 2, and the y-axis at y = 5.
