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Andre45 [30]
3 years ago
10

If the sum of the interior angles of a polygon is 2340, how many sides does the polygon have?

Mathematics
1 answer:
My name is Ann [436]3 years ago
7 0

Answer:

15

Step-by-step explanation:

Where n represent no.of sides

(2n-4)90=2340

180n-360=2340

180n=2340+360

180n=2700

n=15

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translate phrases into algebraic expressions, the difference between the cube of a number and the square of the number
Korolek [52]

Answer:

x^3-x^2.

Step-by-step explanation:

The word "difference" represents a subtraction. Then the algebraic expression will be of the form a-b.

Now, the difference is between the cube of a number and the square of the number, then let's call the number x. The square of the number is raise to two. Then the square of the number is x^2.

The cube of the number is raise to three. Then the cube of the number is x^3.

So, the difference between the cube of a number and the square of the number (we are talking about the same number in the square and the cube) is x^3-x^2.

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4 years ago
The perimeter of the fig
mr_godi [17]
4+16+10+5+11+6=52yd
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Which set of fractions is ordered from least to greatest? 2/6,1/4,4/10 1/4,2/6,4/10 4/10,2/6,/14 or 1/4,4/10,2/6
oee [108]

Answer:

1/4, 2/6, 4/10

Step-by-step explanation:

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2/6 = .333...

4/10 = .4

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3 years ago
Find the equations of the tangents to the curve x = 9t2 + 9, y = 6t3 + 6 that pass through the point (18, 12).
Oxana [17]
Check the attached file for the answer.

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4 years ago
In a Washington town, the charge for commerical waste collection is $694.55 for 5 tons of waste and $1098.56 for 8 tons of waste
NISA [10]

Answer:

m =\frac{1098.56-694.55}{8-5}= 134.67

And we can find the intercept like this:

694.55 = 134.67*5 +b

b = 694.55 -673.35= 21.2

And the equation would be given by:

C = 134.67 w + 21.2

Step-by-step explanation:

For this case we want a function given by:

C = mw +b

Where C is the cost, m the slope, w the weight and b the intercept.

We have the following info (w=5, C= 694.55) and (w=8, C=1098.56) and we can find the slope with this formula:

m =\frac{1098.56-694.55}{8-5}= 134.67

And we can find the intercept like this:

694.55 = 134.67*5 +b

b = 694.55 -673.35= 21.2

And the equation would be given by:

C = 134.67 w + 21.2

8 0
3 years ago
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