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3 years ago

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A rectangular garden has a width that is 5 less than twice its length.

1 answer:

marissa [1.9K]3 years ago

7 0

What is the formula for the perimeter of a rectangle? It is 2L + 2W, where L is the length and W is the width. We can always replace the unknown quantity after the word "than" in these types of problems with the variable x. Our problem would then be " a rectangular garden has a length that is five less than twice x." In this case, the unknown quantity after the word "than" is the width. So, if we let x represent the width, then the length can be represented by 2x - 5. Now, we can plug into the perimeter formula. 2(2x - 5) + 2x = 50
The image below shows how to solve this equation.

The perimeter of the rectangle is then 10

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Sergeeva-Olga [200]

Answer:

The coordinate of point M = (-6,7)

Explanation:

The Median of a triangle is a line segment from a vertex to the midpoint of the opposite side of a triangle.

Given: $\triangle TRE$ has vertices T(3,6) , R(-3,10) and E(-9,4).

Here, line TM is a median of triangle TRE where M is the midpoint of RE.

The midpoint of M of the line segment from R(-3,10) to E(-9,4) is;

M = $(\frac{-3+(-9)}{2}, \frac{10+4}{2}) = ( \frac{-12}{2}, \frac{14}{2} )=(-6,7)$

Therefore, the coordinate of point M is, (-6,7).

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