2 years ago

Odette knows that segment KN || segment LM. She wants to use the definition of a

Mathematics

1 answer:

aalyn [17]2 years ago

3 0

Answer: slope of segment KL = slope of segment MN

Step-by-step explanation:

we know that a parallelogram always have two pairs of opposite sides that are parallel and therefore the slopes of the opposite sides must be same to be parallel to each other.

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Which inequality is represented by the graph?

joja [24]

Answer:

graph?

Step-by-step explanation:

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2 years ago

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Complete the square than convert to vertex form. y=2x^2+8x-9

8_murik_8 [283]

$y=2x^2+8x-9\\D=b^2-4ac\\D=64-4(2)(-9)\\D=64+72 > 0$

There are 2 roots so the only way to complete the square is,

$y=2x^2+8x-9\\y=2[(x^2+4x)]-9\\y=2[(x^2+4x+4)-4]-9\\y=2[(x+2)^2-4]-9\\y=2(x+2)^2-8-9\\y=2(x+2)^2-17$

Just factor 2 out of 2x^2+8x (just ignore the -9) then find the number that will make the terms be able to complete the square.

then complete the square and multiply 2 inside the brackets.

subtraction as you already get the vertex form and know how to complete the square.

Vertex Form: $y=2(x+2)^2-17$

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2 years ago

David and Josh are both practicing for an upcoming swim tournament. Every week, David swims for 3x hours at an average speed of

Ugo [173]

3x = 5(x-4)

I am not sure about the equal sign though.

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3 years ago

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Which expression is equivalent to √2x^5/18? Assume x > 0.

lord [1]

$\sqrt{\dfrac{2x^5}{18}}=\sqrt{\dfrac{2}{18}\cdot x^2\cdot x^2\cdot x}=\sqrt{\dfrac{1}{9}\cdot x^2\cdot x^2\cdot x}=\sqrt{\dfrac{1}{9}}\cdot\sqrt{x^2}\cdot\sqrt{x^2}\cdot\sqrt{x}=\\\\\\=\dfrac{1}{3}\cdot x\cdot x\cdot\sqrt{x}=\boxed{\dfrac{x^2\sqrt{x}}{3}}$

Answer A.

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Pls step by step on how to do that

prisoha [69]

wth is that wdym ???

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1 year ago