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Angelina_Jolie [31]
3 years ago
8

The sum of two numbers is ten. Using x to represent the smaller number, translate "the difference between twice the larger numbe

r and negative twenty" into a variable expression and simplify
Mathematics
1 answer:
LekaFEV [45]3 years ago
7 0
2(10-x)-20
20-2x-20
40-2x
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A 95% confidence interval estimate for a population mean u is determined to be 75.38 to 86.52. If the confidence level is reduce
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Answer:

C. becomes narrower

Step-by-step explanation:

If the confidence level is reduced from 95% to 90%, then, the confidence interval for u becomes narrower, i.e., we are less sure that the true value of u is contained inside the new interval. With a 95% confidence interval there is a probability of 0.95 that the parameter u is inside the interval and with a 90% confidence interval there is a probability of 0.90 that the parameter u is inside the interval.

6 0
3 years ago
Read 2 more answers
Will mark as Brainliest.
Anna35 [415]
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5 0
3 years ago
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Item 11 In the table, Pattern A uses the rule "add 5" and Pattern B uses the rule "add 10." Pattern A 10 15 20 25 30 Pattern B 2
Elena L [17]

The Pattern B is the twice of the Pattern A.  Then the correct option is C.

<h3>What is Algebra?</h3>

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

Item 11 In the table,

Pattern A uses the rule "add 5" and Pattern B uses the rule "add 10".

Pattern A   10  15  20  25  30

Pattern B   20 30 40  50  60

Then the Pattern B is the twice of the Pattern A.

Then the correct option is C.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ1

7 0
2 years ago
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