A baseball player hits the ball and then runs down the first base line at 21 ft/s.21 ft/s. The first baseman fields the ball and then runs toward first base along the second base line at 15 ft/s.15 ft/s. An illustration shows a baseball diamond with two players running towards first base along. The paths are perpendicular to each other. The distance between one player and first base is labeled x and the distance between the other player and first base is labeled y. The distance between the players is labeled d. Determine how fast the distance between the two players is changing at a moment when the hitter is 16 ft16 ft from first base and the first baseman is 12 ft12 ft from first base. (Use decimal notation. Give your answer to one decimal place.)

b) k’(6, 4); l’(3, 3)

step-by-step explanation:

a 270° clockwise rotation maps every point (x, y) to (y, -x). (it negates the x-coordinate and then switches it and the y-coordinate.)

this means the endpoints of the side congruent to kl, k' and l', would be mapped as:

k'(-4, 6)→(6, 4)

l'(-3, 3)→(3, 3)

multiply each one by 3.14

step-by-step explanation:

x=-2

step-by-step explanation:

i began by flipping the problem to give me x= on the left (keeps it clearer for me).   so my problem simply became 10x-3=4x-6.  

1)   subtract 4x from the right side, which equals 0.   you do the same to the left of the equal as the right; therefore, subtract 4x from 10x, leaving 6x on the left.

              10x-3=4x-6   :   4x-4x on the right leaves only the -6        

2)             6x-3= 0-6 :    

                6x+3=   -6

3) divide