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Elodia [21]
3 years ago
5

A random sample of 12 college graduates revealed that they worked an average of 5.5 years on the job before being promoted. The

sample standard deviation was 1.1 years. Using the 95% level of confidence, what is the confidence interval for the population mean?
Mathematics
1 answer:
Hoochie [10]3 years ago
6 0

Answer:

90%

Step-by-step explanation:

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3(v-3)-7v how to simply this equation
Vadim26 [7]

Answer:

-4v-9

Step-by-step explanation:

Distribute the 3(v-3), we get:

3v-9-7v

Combines like-terms, meaning we combine the numbers with v.

-4v-9

8 0
3 years ago
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Use one transformation to solve n-4.6=2.98
Serggg [28]
What are the options of tranformation ??/
8 0
2 years ago
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Choose the word form of this number. 180,900,236,821
s344n2d4d5 [400]
<span>one hundred eighty billion, nine hundred million, two hundred thirty-six thousand, eight hundred twenty-one</span>
4 0
3 years ago
the width of a rectangle is 8 feet and the diagnal length of the rectangle is 13 feet which measurement is closest to the length
____ [38]

Answer:

Well the whole answer is 10.246950 smth smth but I don’t have the multiple choices so your gonna have to round yourself

Step-by-step explanation:

Okay so you have a weigh of 8 and a diagonal of 13.

If you look, theres a triangle there. One side has 8 and the diagonal that was cut forms a 13. So we have a leg and a hypotnuse. To find the other leg (length) just follow the Pythagorean theroum and solve for b or a.

Pythagorean theroum: a^2+b^2=c^2

Now subsitute c for 13 since its the hypotnuse and a or b as 8 but only one.

In this case I’m substituting a for 8.

8^2+b^2=13^2

Solve the squares

64+b^2= 169

Isolate the b

b^2=105

Now square root 105

√105 will give the answer above on a normal calculator but if you have to round, I don’t know what place but you can round.

7 0
2 years ago
Write an equation in point-slope form and slope-intercept form for each line.
Kobotan [32]

A: Slope-intercept form: y = 2 x − 1 Point-slope form: y − 7 = 2 ⋅ ( x − 4 )

B: Slope-intercept form: y = 4 x + 7 Point-slope form: y + 1 = 4 ⋅ ( x + 2 )

C: Slope-intercept form: y = 1/2 x − 8 Point-slope form: y + 4 = 1/2 ⋅ ( x − 8 )

7 0
2 years ago
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