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Simora [160]
3 years ago
15

Express √-225 in its simplest terms

Mathematics
2 answers:
Yuri [45]3 years ago
6 0

Answer:

15i

Step-by-step explanation:

Just did apex quiz

Montano1993 [528]3 years ago
4 0

Answer:

Step-by-step explanation:

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In a​ state's Pick 3 lottery​ game, you pay ​$1.15 to select a sequence of three digits​ (from 0 to​ 9), such as 966. If you sel
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Answer:

A) 1000 different selections

B) probability of winning = 0.001

C) Net profit on winning = $257.20

D) E(y) = -0. 89165

E) Option B - The Pick 4 game is a better bet because it has a larger expected value.

Step-by-step explanation:

A) For the different selections possible, since each of the digits from 0 - 9 can take a total of 10 digits, then the different selections possible will be = 10³ = 1000 different selections

B) To find the probability of winning, since only one pick can be a winning one. Thus probability of winning = 1/1000 = 0.001

C) Net profit on winning = Amount won - Amount staked

Amount won = ​$258.35

Amount staked = ​$1.15

Thus;

Net profit on winning = ​$258.35 - ​$1.15

Net profit on winning = $257.20

D) If we call the net profit "y", then Expected value is:

E(y) = 257.2(0.001) - 1.15(1 - 0.001)

E(y) = 0.2572 - 1.14885

E(y) = -0. 89165

E) We are told that:If you bet $ 1.15 in a certain​ state's Pick 4​ game, the expected value is negative −$0.89

The expected value of -0.89 in pick 4 is better than that in pick 3 because it's larger.

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3 years ago
What does jury duty mean?
JulijaS [17]

Jury duty is where you have to server your duty being on a jury for a court case. On a jury duty, you vote if you think the person on trial is guilty or not.

-Steel jelly


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3 years ago
at A certain temperature the speed of sound in the air is 330 meters per second. which of the following expressions would conver
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Answer:

Step-by-step explanation:

(330m/s)(km/1000m)=0.33km/s

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3 years ago
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What is 1 6/8 of 16
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I'm pretty sure its 28?

Step-by-step explanation:

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Is 4(x+2y) and 8y+4x Equivalent
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Yes.

When you use distributive property in first expression you’ll get 4x +8y. The second expression just rearranged those two terms.
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2 years ago
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