Green eyes.
Mac has taken seven maths exams this year. His average mark is 78%. What mark must he get on the eighth exam to raise his averag
1 answer:
You might be interested in
Answer:
(- 1, - 3 )
Step-by-step explanation:
Given endpoints (x₁, y₁ ) and (x₂, y₂ ) partitioned in the ratio m : n
Then using the Section formula the coordinates of the point are
( ,
)
Here (x₁, y₁ ) = (- 4, - 9), (x₂, y₂ ) = (1, 1) and m : n = 3 : 2 , then
( ,
)
= ( ,
)
= ( ,
)
= ( - 1, - 3 )