A triangle has vertices at (1, 3), (2, -3), and (-1, -1). What is the perimeter of the triangle rounded to the nearest whole num
2 answers:
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Answer:
Step-by-step explanation:
You just need the distance formula here. It's very simple to follow:
which, for us, looks like this:
and
and
and
so
d = 15
The probabilities of knocking down zero, one, and two pins are 
and 
, respectively. The total probability of knocking down at most two is thus 
, or 
.