Answer:
Step-by-step explanation:
Midpoint formula is
---------------(1)
Here
Substituting values in equation (1)
Answer:
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Step-by-step explanation:
Answer:
k = -9.
Step-by-step explanation:
As the triangle is right-angled at Q, by Pythagoras:
PR^2 = PQ^2 + RQ^2
So, substituting the given data and using the distance formula between 2 points:
(7 - 1)^2 + (k - 4)^2 = (-4-4)^2 + (-3-1)^2 + (7 - (-3))^2 + (k - (-4))^2
36 + (k - 4)^2 = 64 + 16 + 100 + ( k + 4)^2
(k - 4)^2 - (k + 4)^2 = 180 - 36
k^2 - 8k + 16 - (k^2 + 8k + 16) = 144
-16k = 144
k = -9.
Well first, you need to solve within the parentheses. You would get 23.8 - 14 - 8.6
Then you would subtract them in order, and your answer would be 1.2
Answer:
u can not delete it because u already posted it the only way for it to be deleted is if u are reported for what u post then the moderators see it and make it poof
Step-by-step explanation:
