xandraeden32
06.09.2021 •
Mathematics
The midpoint of the segment joining points (a, b) and (j, k) is
a. ( j - a, k - b)
b. (j- a/2, k-b/2)
c. (j+a, k+b)
d. ( j+a/2, k+b/2)
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Ответ:
(a,b) is the mid-point of Line segment joining the points A(10,−6) and B(k,4)
So,
a=
2
10+k
and b=
2
−6+4
=−1
It is given that,
a−2b=18
Put b=−1
a−2(−1)=18
a=18−2=16
Now,
a=
2
10+k
16=
2
10+k
k+10=32
k=22
Step-by-step explanation:
it is good
Ответ: