Compounds are molecules that are made up of one or more element. True or false?
2 answers:
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Given parameters:
Midpoint of AB = M(3, -1)
Coordinates of A = (5,1)
Unknown:
Coordinates of B = ?
Solution:
To find the mid point of any line, we use the expression below;
and
where and
= coordinates of the mid points = 3 and -1
x₁ = 5 and y₁ = 1
x₂ = ? and y₂ = ?
Now let us input the variables and solve,
3 = and -1 =
5 + x₂ = 6 -2 = 1 + y₂
x₂ = 1 y₂ = -2 -1 = -3
The coordinates of B = 1, -3
Thats it option (C). Hope it helps!!
To do this problem, you gotta cross-multiply. SO, 
multiplied by 
12 times 14 = 168
21 times 3 = 63
Then the final answer is
12 times 14 = 168
21 times 3 = 63
Then the final answer is