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vaieri [72.5K]
3 years ago
12

FIND THE AREA AND SHOW WORK PLEASE HELP!!!

Mathematics
1 answer:
lidiya [134]3 years ago
5 0
A=b*h/2
a=8*9/2
a=72/2
a=36

a=3.14*4*4
a=3.14*16
a=50.24

36+50.24=86.24

The total area is 86.24 cm
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HELP!!<br> Which table is a probability distribution table?
fomenos

Answer:

Table 1 is the only table which represents PROBABILITY DISTRIBUTION table.

Step-by-step explanation:

In any given probability distribution:

1) The probability of each event should be strictly POSITIVE.

2) Sum of all events in a a distribution should be 1.

Now, here

A) All of the values of probability (0.11, 0..5, 0.49,0.35)  are positive.

Also, 0.11 +  0.5 +  0.49 + 0.35  = 1

So, the given table is a PROBABILITY DISTRIBUTION.

B)The table is NOT a PROBABILITY DISTRIBUTION as here

P(Blue) =  -1, which is negative.

C)The table is NOT a PROBABILITY DISTRIBUTION as here

P(Green) =  -0.49, which is negative.

D)The table is NOT a PROBABILITY DISTRIBUTION as here

P(Purple) =  -0.1, which is negative.

Hence, table 1 is the only table which represents  PROBABILITY DISTRIBUTION table.

3 0
3 years ago
F(y) = y² + 10y + 21 <br>f'(2) = ? <br>​
Ahat [919]

Answer:

14

Step-by-step explanation:

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f'(2) = 2(2) + 10

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= 14

3 0
2 years ago
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Answer:

Step-by-step explanation:

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5 0
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X plus 1/3 equals nine enter your answer in the box in simplest form
LekaFEV [45]


= > x + \frac{1}{3} = 9



\text{Add} \: - \frac{1}{3} \: \text{ on both sides ,}



= > x + \frac{1}{3} - \frac{1}{3} = 9 - \frac{1}{3} \\ \\ \\ \\ = > x = \frac{(9 \times 3) - 1}{3} \\ \\ \\ \\ = > x = \frac{27 - 1}{3} \\ \\ \\ \boxed{ \bold{= > x = \frac{26}{3} }} \\ \\ \\ or , \boxed{ \bold{ \: x = 8. \bar{6}}}




Hence,


Value \: \: \: of \: \: x \: \: is \:  \frac{26}{3} \: \: \: or \: \: \: 8. \bar{6}
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3 years ago
brainliest for correct answer A triangle has interior angle measures 28 and 32, please find the 3rd interior angle and two exter
brilliants [131]

Answer:

120

Step-by-step explanation:

All the angles should add up to equal 180 so,

28 + 32 + ? = 180

60 + ? = 180

180 - 60 = 120

7 0
3 years ago
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