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Klio2033 [76]
3 years ago
15

Quick help! it EASY

Mathematics
2 answers:
gulaghasi [49]3 years ago
8 0

Answer:

IT EASY

Step-by-step explanation:

Anton [14]3 years ago
7 0

Answer:

the answer is 38034

Step-by-step explanation:

(x+18)(x-18) or (-x+18)(-x-18)

2x squared+13x+20

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A diving board is 12.4 feet above the ground. The bottom of the pool is 16.9 feet below the ground. Write and solve an equation
sergey [27]

Answer:

29.3 feet

Step-by-step explanation:

Okay I don't know the equation to put it in, but all you need to do is add the two values together.

12.4 + 16.9 = 29.3 feet

4 0
2 years ago
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The sum of the interior angles of a polygon with n sides is 1980°. Find n.
natka813 [3]

Answer:

n = 13

Step-by-step explanation:

The sum of the measures of the interior angles of an n-sided polygon is

(n - 2)180

Set (n - 2)180 equal to 1980 and solve for n.

(n - 2)180 = 1980

Divide both sides by 180.

n - 2 = 11

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n = 13

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3 years ago
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nadezda [96]

Yes. -63 / 3 = -21.

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3 years ago
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steposvetlana [31]

D is the correct answer.

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