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andreyandreev [35.5K]
3 years ago
12

Select the correct answer.

Mathematics
1 answer:
konstantin123 [22]3 years ago
7 0

Answer:

uhhh well im not good but im gonna try and i think b sorry if wrong

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How many possible solutions could f(x) = 6x^3 + 8x^2 - 7x -3 have?
Alex17521 [72]
3 possible solutions.


The reason is because of the degree, which is 3
3 0
3 years ago
Read 2 more answers
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:

4 0
3 years ago
Read 2 more answers
If the pressure inside a rubber balloon is 1500 mmHg, what is this pressure in pounds-force per square inch (psi)? Answer: 29.0
vivado [14]

Answer:

Pressure magnitude of 1500 mmHg equals 29.00 pounds per square inch.

Step-by-step explanation:

We know that 1 mmHg of pressure equals 0.0193368 psi

Thus the value of 1500 mmHg pressure in psi can be found by proportion as

1500mmHg=1500mmHg\times \frac{0.0193368psi}{mmHg}\\\\\therefore 1500mmHg=29.00psi

5 0
4 years ago
Janet has 7 albums. She divides 42 pictures evenly between the albums, Which expression helps us find out how many pictures are
Ira Lisetskai [31]

Answer:

6 check how I did to understand it

Step-by-step explanation:

42:7=6

3 0
3 years ago
The drama club held a car wash on Saturday and Sunday. They washed a total of 60 cars. If they lost 40% of the cars on Sunday, h
Nana76 [90]

22 complete cars and half of one car were washed on Sunday.

<u>Solution: </u>

Given that  

Drama club held a car wash on Saturday and Sunday.

Total car washed on Saturday and Sunday = 60  

Lost 40 \% can on Sunday.

Need to calculate number of car washed on Sunday.

Let assume number of cars they washed on Saturday = x

As they lost 40\% of cars on the Sunday

Number of cars washed on Sunday = Car washed on Saturday – 40\% of car washed on Saturday

\Rightarrow x-40 \% \text { of } x=\mathrm{x}-0.40 x=0.60 x

Total number of cars washed on Saturday and Sunday = Number of cars washed on Saturday + Number of cars washed on Sunday  

\begin{array}{l}{\Rightarrow 60=x+0.60 x} \\\\ {\Rightarrow 60=1.6 x} \\\\ {\Rightarrow x=\frac{60}{1.6}=37.5}\end{array}

So car washed on Sunday = 0.60 x=0.60 \times 37.5=22.5 \mathrm{ cars}

That is 22 complete cars and half of one car were washed on Sunday.

3 0
3 years ago
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