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aleksandr82 [10.1K]
3 years ago
9

Find the sum of the angles of a 12 sided polygon

Mathematics
1 answer:
Verizon [17]3 years ago
4 0
The formula for the sum<span> of the interior </span>angles of a polygon<span> is equal to (n-2)*180. the </span>polygon<span> has </span>12<span>sides, so the </span>sum<span> of the interior </span>angles<span> of the </span>polygonis equal to (12<span>-2)*180 = 10*180 = 1800 degrees.</span>
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Complete each statement with a number that makes the statement true. A._____ &lt; 7°c. B.___&lt;-3°c. C.-0.8°c &lt;_____ &lt; -0
IrinaVladis [17]

A. 6c

B. -5c

C. -0.7c

D. 2c

Just a few you could use.

5 0
3 years ago
What is the missing term?
Nadya [2.5K]

Answer:

3x^2

Step-by-step explanation:

The missing term is the product of x and 3x.

x * 3x = 3x^2

Answer: 3x^2

8 0
3 years ago
Suppose you asked 100 commuters how much they spend each year and obtained a mean of $167 spent on transportation and a standard
Lena [83]

Answer:

The correct answer is "$159 and $175".

Step-by-step explanation:

The give values are:

Mean,

= $167

Standard deviation,

\sigma = $40

Number of commuters,

n = 100

Now,

⇒ SE=\frac{\sigma}{\sqrt{n} }

On putting the given values, we get

⇒       =\frac{40}{\sqrt{100} }

⇒       =\frac{40}{10}

⇒       =4

By using the 2 SE rule of thumb, we get

= $(167 - 2\times 4)

= 167-8

= 159 ($)

Or,

= (167 + 2\times 4)

= 167+8

= 175 ($)

i.e,

$159 and $175

6 0
3 years ago
Carmen tiene 16 a?os y sus hermanos peque?os 2 y 3 a?os?Cuantos a?os han de pasar para que el doble de la suma de las edades de
Alborosie

what language is this??

6 0
3 years ago
Long division<br>algebra 2, help me. thanks
klemol [59]
To complete this algebra problem, just like any other, we have to complete the proper steps in order; here as follows.

1. <span><span>−<span>3<span>x^2 </span></span></span>+ <span>20x </span></span>− <span>12
         -------------
             x - 6


2. </span><span><span>(<span><span>−<span>3x </span></span>+ 2</span>) </span><span>(<span>x − 6</span><span>)
</span></span></span>         -----------
            x - 6


And finally..


You come up with the answer of:

-3x + 2

I hope this cleared up the little confusion you may have been having. If you need more information on the steps, just ask.


4 0
3 years ago
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