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murzikaleks [220]
3 years ago
12

Hollis house is located at (-1,4). She can walk in a straight line to get to Jedds house. A fast food resturant is located at (-

3,2) and partitions the way from hollis house to jedds house by a ration of 1:2 find the coordinates of jedds house
Mathematics
1 answer:
Nezavi [6.7K]3 years ago
7 0

Answer:

The coordinates of Jedds house are (-7 , -2)

Step-by-step explanation:

* Lets explain how to solve the problem

- If point (x , y) divide the distance between the two points

  (x_{1},y_{1}) and (x_{2},y_{2}) at the ratio

  (m_{1}:m_{1}), then

  x=\frac{x_{1}m_{2}+x_{2}m_{1}}{m_{1}+m_{2}} and

  y=\frac{y_{1}m_{2}+y_{2}m_{1}}{m_{1}+m_{2}}

* Lets solve the problem

∵ Hollis house is located at (-1 , 4)

∴ (x_{1},y_{1}) = (-1 , 4)

∵ She can walk in a straight line to get to Jedds house

∵ The restaurant is located at (-3 , 2) and partitions the way from

   Hollis house to Jedds house by a ration of 1 : 2

∴ (x , y) = (-3 , 2)

∴ (m_{1}:m_{1}) = 1 : 2

- Lets consider that Jedds house is located at (x_{2},y_{2})

∴ -3=\frac{-1(2)+x_{2}(1)}{1+2}

∴ -3=\frac{-2+x_{2}}{3}

- Multiply both sides by 3

∴ -9=-2+x_{2}

- Add 2 for both sides

∴ -7=x_{2}

∴ 2=\frac{4(2)+y_{2}(1)}{1+2}

∴ 2=\frac{8+y_{2}}{3}

- Multiply both sides by 3

∴ 6=8+y_{2}

- Subtract 8 for both sides

∴ -2=y_{2}

∴ The coordinates of Jedds house are (-7 , -2)

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