3 years ago

Which measurement is most accurate to describe the width of a penny?

Mathematics

1 answer:

Alexxx [7]3 years ago

6 0

The answer is 19mm. Hope this helped.

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The figure shows the construction steps to duplicate an angle. The steps are in an incorrect order. What is the correct order of

Maru [420]

The correct order of the steps to duplicate an angle is A. ADFECB

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3 years ago

What shapes can you obtain by taking a cross section of a cone?

SashulF [63]

You can get a circle by cutting horizontally and a hyperbola by cutting vertically. You can also get an ellipse and a parabola by cutting at an angle depending on whether the cut comes out the other side or not.

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3 years ago

What is the simplified form of this expression? 7a2 + 10a − 3a − 2a2

nikklg [1K]

Answer:

What is the simplified form of this expression?

7a2 + 10a − 3a − 2a2

Step-by-step explanation:

7a2 + 10a − 3a − 2a2

Combine like terms

742 + 10a - 3a - 2a2

742 + 7a - 2a2

solution=

5a2 + 7a

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3 years ago

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Prove that x-y = √(x+y)^2-4xy?

Svetlanka [38]

Proved Below

$\Longrightarrow x-y = \sqrt{(x+y)^2-4xy}$

$\Longrightarrow x-y = \sqrt{x^2+2(x)(y)+ y^2-4xy}$

$\Longrightarrow x-y = \sqrt{x^2+2xy-4xy+y^2}$

$\Longrightarrow x-y = \sqrt{x^2-2xy+y^2}$

$\Longrightarrow x-y = \sqrt{(x-y)^2}$

$\Longrightarrow x-y =x-y$

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2 years ago

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What is the value of the missing angle? a.120 b.130 c.155 d.720

tatyana61 [14]

Answer:

Because the number of sides is 6 so the s go interior angles is 720. So if u want to get x u need to sum up the rest of the angles anf subtract from 720 giving an answer of 130

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3 years ago