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RUDIKE [14]
3 years ago
13

What is the area of the polygon shown below? (in the image). A. 322 mm^2 B. 364 mm^2 C. 520 mm^2 D. 584 mm^2 Show all work pleas

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Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
7 0

Answer:

A.

Step-by-step explanation:

Find the area of the triangle: 26-20=6. 14x6=84/2=42. Now that we calculated the triangle's area, we need to find out the rectangle's. 20x14=280. Add them up: 280+42=322 mm^2. Triangle: b x h/2. Rectangle: l x h.

Oksanka [162]3 years ago
4 0

Answer:

A. 322 mm^2

Step-by-step explanation:

The area of the rectangle is 14 times 20

14 x 20 = 280

The area of the rectangle is 1/2 times 14 times 6

1/2(14)(6)=42

Finally add 280 and 42 and the answer is 322

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Step-by-step explanation:

-1/2 + 2/3

=-3/6 + 4/6

= 1/6

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3 years ago
Consider the following table that describes the mass of a kitten as weeks go by. If you know the kitten grows by 10% each week f
RUDIKE [14]

Answer:

Week                   Mass  (gram)

(start)                    80

   1                         88  

   2                        96.8

   3                         106.48

   4                          117.128

Step-by-step explanation:

From the question we are told that

   The  mass of the kitten at the start week  is  m  =  80 g

   The rate at which the kitten grows is  r  =  0.10

Generally the mass of the kitten at the first  week is mathematically represented as  

    m_1 = ( r *  m)  + m

=>m_1 = ( 0.10 *  80 )  + 80      

=>m_1 = 88 \ g      

Generally the mass of the kitten at the second week is mathematically represented as  

     m_2 = ( r *  m_1)  + m_1

=>m_2 = ( 0.10 *  88 )  + 88      

=>m_2 = 96.8 \ g      

Generally the mass of the kitten at the third  week is mathematically represented as  

     m_3 = ( r *  m_2)  + m_2

=>m_3 = ( 0.10 *  96.8)  + 96.8      

=>m_3 = 106.48  \ g      

Generally the mass of the kitten at the fourth  week is mathematically represented as  

     m_4 = ( r *  m_3)  + m_2

=>m_4 = ( 0.10 *  106.48)  + 106.48      

=>m_4 = 117.128  \ g              

Week                   Mass  (gram)

(start)                    80

   1                        88  

    2                      96.8

    3                      106.48

   4                        117.128

 

3 0
4 years ago
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