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telo118 [61]
3 years ago
13

Please help me thank you asap

Mathematics
1 answer:
Ivanshal [37]3 years ago
7 0
 area of circle = pi r squared
diameter is 63cm
then radius is 63/2, or 31.5cm
3.14*31.5^2= 3115.665cm squared
3115.665 is the area of the whole circle, divide that by two to get the area of the semicircle
so 3115.665/2 = 1557.8325 cm squared
1557.8325 rounded to two decimal points is 1557.83cm squared
1557.83cm squared is the area of the semi circle
hope that helped! :) 
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Inessa [10]

Answer:

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Which is a polynomial, and expresses the volume of the prism

Step-by-step explanation:

The volume of a rectangular prism is simply the product of its three dimensions: in your case, the volume of the prism is, given  

x

,

(

x

+

6

)

(

x

−

2

)

(

x

−

1

)

.

A polynomial is a sum (with some coefficients) of powers of  

x

, so, if we expand the product just written, we have

(

(

x

+

6

)

(

x

−

2

)

)

(

x

−

1

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=

(

x

2

−

2

x

+

6

x

−

12

)

(

x

−

1

)

=

(

x

2

+

4

x

−

12

)

(

x

−

1

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=

x

3

+

4

x

2

−

12

x

−

x

2

−

4

x

+

12

=

x

3

+

3

x

2

−

16

x

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Which is a polynomial, and expresses the volume of the prism

3 0
3 years ago
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max2010maxim [7]
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3 years ago
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Hope this helps!

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Answer:

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5 0
4 years ago
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