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Genrish500 [490]
3 years ago
13

Please help me lorddddd

Mathematics
1 answer:
goldenfox [79]3 years ago
4 0

Answer:

Option two and three for the domain and range question

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There were 18 students running in a race. How many different arrangements of first, second, and third place are possible?
swat32

Answer:

There are 18 choices for first place, 17 for second, and 16 for third.

Therefore, there are 18 x 17 x 16=4896

So there are 4,896 ways possible

Step-by-step explanation:

Hope this helps:)...if not then sorry for wasting your time and may God bless you:)

8 0
2 years ago
Chen has 17CDs. She gives 2 to her brother and buys 4 more. Her brother gives her 1 and she gives 3 to her best friend. How many
d1i1m1o1n [39]

Answer: she has 17 CDs now.

Step-by-step explanation:

The total number of CDs that Chen had initially is 17.

She gives 2 to her brother. This means that she would be having

17 - 2 = 15

She buys 4 more. It means that she would be having

15 + 4 = 19

Her brother gives her 1. So the number that she has is

19 + 1 = 20

she gives 3 to her best friend. Therefore, the number of CDs that Chen has now is

20 - 3 = 17

6 0
3 years ago
A manager records the repair cost for 14 randomly selected dryers. A sample mean of $88.34 and standard deviation of $19.22 are
s2008m [1.1K]

Answer:

Hence the 90% confidence interval estimate of the population mean is (79.24 , 97.44)

Step-by-step explanation:

Given that,  

Point estimate = sample mean = \bar x = 88.34  

sample standard deviation = s = 19.22  

sample size = n = 14  

Degrees of freedom = df = n - 1 = 13  

Critical value =t\alpha /2, df = 1.771

 

Margin of error

E = t\alpha/2,df \times (\frac{s}{\sqrt{n} } )\\= 1.771 \times (19.22 / \sqrt 14)  

Margin of error = E = 9.10  

The 90% confidence interval estimate of the population mean is,  

\bar x - E < \mu < \bar x + E\\\\88.34 - 9.10 < \mu < 88.34 + 9.10\\\\79.24 < \mu < 97.44\\(79.24 , 97.44)

8 0
3 years ago
How to multiply numbers with and exponet outside of the parenthesis ​
Lemur [1.5K]

Answer:

You distribute the exponent to each term in the parenthesis

Step-by-step explanation:

ex:  (3x³y)² becomes

3²(x²)³y²    which simplifies to

9(x^6)y²

3 0
4 years ago
What information is provided in the second section of the report?
gogolik [260]

Answer:

d. Summarized account information

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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