3 years ago

What is a polygon that connects with the basis of a polyhedron

Mathematics

1 answer:

ELEN [110]3 years ago

3 0

A polygon is a shape with more than 3 sides. A polyhedron is a 3D shape with more than 3 faces.

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(5x² – 8x + 1) + (2x² - 4x – 11)

djverab [1.8K]

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7x²-12x-10

Step-by-step explanation:

(5x²-8x+1) + (2x²-4x-11)

combine like terms

7x²-12x-10

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4 years ago

Which statement is true?

Lady bird [3.3K]

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Step-by-step explanation:

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What does the number line above represent?

sattari [20]

It is the last one. A closed circle means less than or equal to, so that crosses out the top two. The third says five is greater and we know that is not true because the line is decreasing in value. It must be the fourth.

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3 years ago

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maks197457 [2]

Answer:

Answer is option a) x = 4 ±√5

Step-by-step explanation:

$given \: equation \: is \\ {(x - 4)}^{2} = 5 \\ taking \: sqareroot \: on \: bot \: sides \\ x - 4 = ± \sqrt{5 } \\ x = 4± \sqrt{5}$

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THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

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bearhunter [10]

Are you looking for the name of the method? If so, it's called completing the square.

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