3 years ago

Choose the true statement about the graph of x > -3.

Mathematics

1 answer:

Bingel [31]3 years ago

8 0

The answer to the question is B

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The length of the base of a scalene triangle is 22 meters and the height is 14 meters. Find the area of the scalene triangle

Nezavi [6.7K]

Answer:

Area is 154 square meters

Step-by-step explanation:

Well lets think about this

If I take a rectangle and cut it into half diagonally I would get 2 triangles right?

So if I have 2 triangles of the same height and base I can make a rectangle

to find the area of a rectangle I do length times width

So lets take our scalene triangle and multiply our base with its width and then divide by 2

22*14 = 308

308/2 is 154

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3 years ago

What is the correct name for a 9-sided polygon? decagon octagon nonagon ninagon

Anni [7]

Answer:

nonagon

Step-by-step explanation:

The correct name for a 9-sided polygon is nonagon.

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3 years ago

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This may be y=mx+b

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Expand $\left(x^2 \frac{1}{x}\right)^3$. (Write the terms with higher degree first, so for example an $x^2$ term would come befo

Ilya [14]

Answer:

$x^6+3x^3+3+\dfrac{1}{x^3}$

Step-by-step explanation:

We can use the pascal triangle to find the coefficients of the expasion of the cube. It holds that

$(x^2 + \dfrac{1}{x})^3=(x^2)^3+3(x^2)^2\dfrac{1}{x}+3x^2(\dfrac{1}{x})^2+(\dfrac{1}{x})^3\\\\=x^6+3x^4\dfrac{1}{x}+3x^2\dfrac{1}{x^2}+\dfrac{1}{x^3}\\\\=x^6+3x^3+3+\dfrac{1}{x^3}$

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I can barely see the number , too help you out

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