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agrenfroe
19.05.2021 •
Mathematics
Oe, Keitaro, and Luis play tennis. To decide who will play against each other in the first match, they put their names in a hat and choose two names without looking.
What subset of the sample space, A, represents the complement of the event in which Joe plays in the first match?
A = {KL}
A = {KJ, KL}
A = {KL, LK}
A = {KJ, KL, LJ}
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Ответ:
to dilate an object means to enlarge or reduce the size of the object. the scale factor will determine how much larger or smaller the object will become. if this factor is greater than 1, the object will increase in size. otherwise, if the factor is less than 1, the object will decrease in size. so, the dilated object will be similar to its original.
on the other hand, when corresponding points of the original and dilated figures are connected by straight lines, the center of dilation is the point where all the lines meet. in this problem, the center is (0, 0). when the center is the origin we need to multiply all the original coordinates of the object by the scale factor given. so:
so, the graph of the dilated triangle is shown in the figure below