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Mademuasel [1]
3 years ago
11

there are 20 students in a homeroom how many different ways can they be chosen to be elected president vice president treasurer

and secretary
Mathematics
1 answer:
kondor19780726 [428]3 years ago
5 0

Answer:

5040 different ways

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9340.00 is invested into an account that earns 8 1/2% simple interest for 15 years. What is the interest earned and what is the
Margarita [4]

9340.00dollars will be 1,200,190 dollars after 15 years over a respected 8.5% interest.

P(product)(1+r(rate)t(time)= gain

9340(1+8.5×15)

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3 years ago
What is the value of x in the equation x + 24. 5 =34. 8
ser-zykov [4K]

Answer:

x = 10.3

Step-by-step explanation:

x + 24. 5 = 34.8

  - 24.5   - 24.5

x = 10.3

Check your answer:

x + 24. 5 = 34.8

10.3 + 24.5 = 34.8

34.8 = 34.8

Hope this helps!

3 0
2 years ago
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For 300 trading​ days, the daily closing price of a stock​ (in $) is well modeled by a Normal model with mean ​$196.99 and stand
KATRIN_1 [288]

Answer:

a) 2.5% b) 84% c) 95% d) D. The more unusual day is if the stock closed below $185 because it has the largest absolute z-score.

Step-by-step explanation:

For a) b) and c) we will use the empirical rule, so, we can observe the image shown below

a) 211.23 is exactly two standard deviation above the mean, so, the probability that on a randomly selected day in this period the stock price closed above 211.23 is 2.35% + 0.15% = 2.5%  

b) 204.11 represents exactly one standard deviation above the mean, so, the probability of being below 204.11 is 50% + 34% = 84%

c) The probability of getting a value between 182.75 and 211.23 is 95%, this because 182.75 is exactly two standard deviations below the mean and 211.23 is exactly two standard deviations above the mean.

d) The z-score related to 208 is z_{1} = (208-196.99)/7.12 = 1.5 and the z-score related to 185 is  z_{2} = (185-196.99)/7.12 = -1.7, therefore, the more unusual day is if the stock closed below $185 because it has the largest absolute z-score.

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3 years ago
What is the GCF of 3 , 12 , and 18
Stella [2.4K]
Answer is 3 because it is the greatest common factor
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3 years ago
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PLZZZ SOMEONE HELP MEE
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What grade homework is that?

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3 years ago
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