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Nat2105 [25]
1 year ago
6

Hey can y’all help me

Mathematics
1 answer:
Scrat [10]1 year ago
8 0

\huge{ \rm{Question:}}

What is the internal angle sum of a polygon with 20 sides?

A) 3,240°

B) 3,420°

C) 3,600°

D) 3,780°

\huge{ \rm{Answer:}}

<h3>A) 3,240° </h3>

HOPE THIS HELPS^^

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75% increase followed by 50% decrease is it greater than to original
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Answer:

  • Set original amount = x

<u>After a 75% increase, it would become</u>

x + 75%x = x + 0.75x = x(1 + 0.75) = 1.75x

<u>After a 50% decrease, it would become</u>

1.75x - 50%(1.75x) = 1.75x - 0.5(1.75x) = 1.75x - 0.875x = 0.875x = \frac{7}{8} x

Because \frac{7}{8} x is less than x, the new amount would be less than the original.

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3 years ago
What is the first step in solving the equation: 3(x+2) = 12?
yanalaym [24]

Answer:

Divide by 3 on both sides.

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2 years ago
Help??I have 4 questions and im confused on all of them
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So you you are trying to find the area of sphere so you would use this formula
A=4•3.14•r^2

And you already know that the radius is 6 so you would go ahead and plug in the numbers
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