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3 years ago

Square root of 405, simplfiy and give the exact value

2 answers:

4 0

Sq. root of 405= approximately positive or negative 20.124611797498107267682563018581

Its irrational. This is as far as the calculator goes.

Sonja [21]3 years ago

4 0

Your answer without a decimal would be as follows:

9 (Sqr Root sign)5

9 is on the outside of square root sign and five is on the inside.

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A casino knows that people play slot machines in hopes of hitting the jackpot but that most of them lose their dollar. Suppose t

liraira [26]

Answer:

A) Gamblers lose a relatively small amount most of the time but there are a few large pay-outs

B) if person play 5 times, the mean of the casino's profit is $0.04

if person play 5 times, the standard deviation of the casino's profit i$268.33

C) If gamblers play this machine 1000 times in a day, the mean is $80

If gamblers play this machine 1000 times in a day, the standard deviation is $3794.3

D) Yes

Step-by-step explanation:

From the details given , it is observed that a casino knows that people play the soft machines in hopes of hitting the jackpot but most of them lose their dollars

There is a certain machine that pays out an average of $0.92 with standard deviation of $120

A) The standard deviation is so large because, Gamblers lose a relatively small amount most of the time but there are a few large pay-outs

B) if person play 5 times, the mean of the casino's profit is

E(x) = ( 1 - $0.92) x 5

= $0.04

if person play 5 times, the standard deviation of the casino's profit is

S(3x) = √120² x 5

= $268.33

C) If gamblers play this machine 1000 times in a day, the mean is

E(x) = ( 1 - $0.92) x 1000

= $80

If gamblers play this machine 1000 times in a day, the standard deviation is

S(x) = √120² x 1000

= $3794.3

D) The casino is likely to be profitable due to the average pays out winning jackpot in slot machines occur very less in $0.29, so more people play winning jackpot in slot machines in casino, the casino will become more profitable.

8 0

2 years ago

2x+4y=-12 and -4x-2y=-12 what is the solution

DochEvi [55]

Answer:

The answer is that x = 6 and y = -6

Step-by-step explanation:

In order to find these values, we can use elimination. To do so, we multiply the first equation by 2 and then add the equations together.

4x + 8y = -24

-4x - 2y = -12

------------------

6y = -36

y = -6

Now that we have this value, we can plug the value into one of the originals and find x.

2x + 4y = -12

2x + 4(-6) = -12

2x - 24 = -12

2x = 12

x = 6

4 0

3 years ago

Benny brought five new baseball trading cards to add to his collection. the next day his dog ate half of his collection. there a

VMariaS [17]

Benny started with 55 five cards. In order for his dog to have eaten half his cards and end up with 30 cards, that would mean he had 60 cards. Mind you, he had bought 5 more the day before his dog ate them. I hope that makes sense

7 0

2 years ago

Read 2 more answers

Solve the system by substitution: -4.5x-2y=-12.15 3.25x-y=-0.75

valina [46]

Answer:

The answer is x=0.97 while y=3.90

4 0

3 years ago

Help help help help please

vodomira [7]

Answer:

x<-3

Step-by-step explanation:

-7x+6/3 >9

-7x+6 >27

-7x>27-6

-7x>21

-x>3

x<-3

7 0

2 years ago