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SIZIF [17.4K]
2 years ago
13

HURRY!!!! NO SPAM!!!! Identify the area of the trapezoid.

Mathematics
2 answers:
saveliy_v [14]2 years ago
8 0

Answer:

area =  >

a+b/2*h

Here,

a = 12xcm

b= 15xcm

h= 7cm

=  >

(12+15)xcm/2*7

=27xcm*3.5

<h2>=94.5x cm²</h2>

Virty [35]2 years ago
6 0

Answer:

94.5

Step-by-step explanation:

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Denise is designing the seating arrangement for a concert an outdoor theater. To give everyone a good view, each row must have 6
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Row
<span> <span> </span><span><span> 1              11    11  
</span><span>2       11     6    17
</span> <span> 3       17     6    23
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</span> <span> 8       47     6    53
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</span> <span> 11     65     6     71
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</span> <span> 14     83     6     89
</span> <span> 15     89     6     95
</span> <span> 16     95     6    101
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6 0
3 years ago
P(A)* P(B)≠ p(AnB)<br><br> Why does it contain a not equal to sign
RoseWind [281]

Answer:

P(A|D) and P(D|A) from the table above are not equal because P(A|D) =  and P(D|A) =

Step-by-step explanation:

Conditional probability is the probability of one event occurring  with some relationship to one or more other events

.

P(A|D) is called the "Conditional Probability" of A given D

P(D|A) is called the "Conditional Probability" of D given A

The formula for conditional probability of P(A|D) = P(D∩A)/P(D)

The formula for conditional probability of P(D|A) = P(A∩D)/P(A)

The table

              ↓         ↓       ↓

           :  C     :   D    : Total

→ A      :  6     :    2    :   8

→ B      :  1      :    8    :   9

→Total :  7     :    10  :  17

∵ P(A|D) = P(D∩A)/P(D)

∵ P(D∩A) = 2 ⇒ the common of D and A

- P(D) means total of column D

∵ P(D) = 10

∴ P(A|D) =

∵ P(D|A) = P(A∩D)/P(A)

∵ P(A∩D) = 2 ⇒ the common of A and D

- P(A) means total of row A

∵ P(A) = 8

∴ P(D|A) =

∵ P(A|D) =

∵ P(D|A) =

∵   ≠  

∴ P(A|D) and P(D|A) from the table above are not equal

Step-by-step explanation:

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