C would be your answer because inverse variation is y=k/x
You work backwards. Starting with 2/3, you subtract 1/3 to get m/3=1/3.
The equation of the new path is y = -1/2x - 4
<h3>How to determine the equation?</h3>
The equation is given as:
y = 2x - 7
A linear equation is represented as:
y = mx + c
Where m represents slope
This means that:
m = 2
Let the slope of the perpendicular equation be n.
The condition of perpendicular lines is
n = -1/m
So, we have:
n = -1/2
The equation of the new path is then calculated using:
y = n(x - x1) + y1
So, we have:
y= -1/2(x + 2) - 3
Expand
y = -1/2x - 4
Hence, the equation of the new path is y = -1/2x - 4
Read more about linear equations at:
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Answer: 9/20
Step-by-step explanation:
9/10 is given as the fraction of the crates filled with animals , 1/2 of this fraction holds dog , that is
1/2 of 9/10
= 1/2 x 9/10
= 9/20
Therefore the fraction of the total number of crates holding dog is 9/20
Because you are required to get a positive number of centimetres we use positive value of x.

The answer is B: The length of a part must be greater than 6.5 cm.