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2 years ago

A(n) ________ is a quadrilateral with both pairs of opposite sides parallel

Mathematics

1 answer:

Vsevolod [243]2 years ago

8 0

C, Parallelograms' opposite sides are parallel like a rectangle.

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Read 2 more answers

Please and thank you

vampirchik [111]

Answer:

is this free points. cuz why you said please and thank you?

Step-by-step explanation:

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2 years ago

Find x on this triangle

blsea [12.9K]

Answer:

3 sqrt(3) =x

Step-by-step explanation:

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2 years ago

4. Which of the following lines is perpendicular to y = -2X + 8?

Alenkinab [10]

For this case we have to by definition, if two lines are perpendicular then the product of its slopes is -1.

That is to say:

$m_ {1} * m_ {2} = - 1$

We have the following equation:

$y = -2x + 8$

So:

$m_ {1} = - 2$

Thus:

$m_ {2} = \frac {-1} {m_ {1}}\\m_ {2} = \frac {-1} {- 2}\\m = \frac {1}{2}$

Thus, a line perpendicular to the given line must have slope $m = \frac {1} {2}.$

Option A:

$x + 2y = 8\\2y = -x + 8\\y = - \frac {1} {2} x + 4$

It is not perpendicular!

Option B:

$x-2y = 6\\2y = x-6\\y = \frac {1} {2} x-3$

If it is perpendicular!

Option C:

$2x + y = 4\\y = -2x + 4$

It is not perpendicular!

Option D:

$2x-y = 1\\y = 2x-1$

It is not perpendicular!

The correct option is option B

ANswer:

Option B

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2 years ago