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quickestlearner6171
13.07.2019 •
Mathematics
The midpoint of [kl] is (-8, 1). one endpoint is k(-6, 5). find the coordinates of the other endpoint l
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Ответ:
the correct question is
The midpoint of kl is m(–8, 1). one endpoint is k(–6, 5). find the coordinates of the other endpoint l.
we know that
the formula of midpoint is
Xm=(x1+x2)/2> 2*Xm=x1+x2> x2=2*Xm-x1
Ym=(y1+y2)/2> 2*Ym=y1+y2> y2=2*Ym-y1
let
(x1,y1)> (–6, 5).
(Xm,Ym)> (-8,1)
find (x2,y2)
x2=2*Xm-x1> 2*(-8)-(-6)> -10
y2=2*Ym-y1> 2*(1)-5> -3
the point l is (-10,-3)
Ответ:
2310 ways
Step-by-step explanation:
We are given;
Number of cans = 11
Number of cans of corn = 4
Number of cans of peas = 1
Number of cans of beets = 6
Following the rule of combination and permutations and applying it to this question, we have;
Number of ways = 11!/(6! × 1! × 4!)
Number of ways = 2310 ways