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Lerok [7]
2 years ago
6

I need to know this

Mathematics
1 answer:
kondor19780726 [428]2 years ago
8 0

Answer:

C. 26 to 29

She will need between 26 to 29 tables

Step-by-step explanation:

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Some help would be appreciated
Elis [28]
She was driving an average of 51 mph.
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3 years ago
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
m_a_m_a [10]

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.

6 0
2 years ago
Find the perimeter of the window. Round your answer to the nearest tenth.
earnstyle [38]

Answer:

78.5 cm

Step-by-step explanation:

C=2 X pi X r

r= radius

then divide by 2 for a half circle

4 0
3 years ago
Answer Yes or No and explain why in one sentence.<br>(click the picture)
Lilit [14]
Yes, because there are common factors in the equation. therefore showing you can group
8 0
3 years ago
Read 2 more answers
Solve the quadratic function by factoring. You must fill in
Stells [14]

Answer:

5x+2=0

Step-by-step explanation:

When factoring you add or subtract your factors that are similar.

For example 9x-4x+ 5x

and this is how you get 5x+2=0

Any Questions?

4 0
3 years ago
Read 2 more answers
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