Thank you!
Answer:
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Step-by-step explanation:
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Passes through the points (4,2) and (6,8)
Equation of parallel line:
1)Parallel means they have to have the same slope. Since our equation is y=2/3x+1, a line parallel to that would be(using out points) -5=2/3(-4)+b.
To find the y-intercept, solve for "b".
b=-7/3
Our equation would then be y=2/3x-7/3
2)Perpendicular lines have opposite-reciprocal slopes. our previous equation was y=2/3x+1, so our new equation would be -5=-3/2(-4)+b. Now lets solve for b.
b=-11
So our perpendicular equation would be y=-3/2x-11
Hope that was helpful. :)
Answer:
1)Parallel means they have to have the same slope. Since our equation is y=2/3x+1, a line parallel to that would be(using out points) -5=2/3(-4)+b.
To find the y-intercept, solve for "b".
b=-7/3
Our equation would then be y=2/3x-7/3
2)Perpendicular lines have opposite-reciprocal slopes. our previous equation was y=2/3x+1, so our new equation would be -5=-3/2(-4)+b. Now lets solve for b.
b=-11
So our perpendicular equation would be y=-3/2x-11
Step-by-step explanation:
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Answer:
Actual Perimeter = 100 km
Actual Area = 625 km²
Step-by-step explanation:
A scale drawing of a square has a side length of 5 millimeters.
The drawing has a scale of 1 mm : 5 km (which represents 1 mm is equal to 5 km)
We need to find the actual measurement of 5 mm square on scale.
1 mm = 5 km
5 mm = 5 × 5 km
= 25 km
The actual length of the side of square is 25 km
Now, we find the perimeter and area of the square.
= 4 × 25
= 100 km
= 25 × 25
= 625 km²
Hence, The actual perimeter is 100 km and area of the square is 625 km²