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3 years ago

M(5,7) is the midpoint of RS the coordinates of S are (6,9) what are the coordinates of R

Mathematics

2 answers:

MaRussiya [10]3 years ago

7 0

Answer:

(4,5) i believe

krok68 [10]3 years ago

3 0

Answer:

(4, 5)

Step-by-step explanation:

Using the midpoint formula and equating x to 5 and y to 7, that is the coordinates of the midpoint M

let the coordinates of R be (x, y), then

0.5(x + 6) = 5 ( multiply both sides by 2 )

x + 6 = 10 ( subtract 6 from both sides )

x = 4

Similarly

0.5(y + 9) = 7 ( multiply both sides by 2 )

y + 9 = 14 ( subtract 9 from both sides )

y = 5

Thus coordinates of R = (4, 5 )

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3 years ago

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3 years ago

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2 years ago

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3 years ago

What is the equation of the line parallel to 3x + 5y = 11 that passes through the point (15, 4)?

soldier1979 [14.2K]

Answer:

The answer is

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the parallel line we must first find the slope of the original line

The original line is 3x + 5y = 11

We must first write the equation in the general equation above

So we have

5y = - 3x + 11

Divide both sides by 5

Comparing with the general equation above

Slope = - 3/5

Since the lines are parallel their slope are also the same

Slope of parallel line = - 3/5

So the equation of the line using point

(15, 4) and slope - 3/5 is

We have the final answer as

Hope this helps you

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3 years ago