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barxatty [35]
3 years ago
12

What is the opposite of 12.1

Mathematics
2 answers:
nikklg [1K]3 years ago
8 0
The opposite of 12.1 is 12.2
katen-ka-za [31]3 years ago
6 0

Answer:

12.2 is not the answer its -12.1

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Washington (CNN) About three-quarters of Americans (77%) approve of President Donald Trump's decision to meet with North Korean
snow_tiger [21]

Answer:

b. The margin of error would decrease.

Step-by-step explanation:

Margin of error of a confidence interval:

The margin of error of a confidence interval has the following format:

M = z\frac{\sigma}{\sqrt{n}}

In which z is related to the confidence level, \sigma is the standard deviation of the population and n is the size of the sample.

This means that the margin of error is inversely proportional to the size of the sample, which means that if the sample size increases, the margin of error decreases.

In this question, the sample size is increased, leading to a smaller margin of error. So the correct answer is given by option b.

8 0
2 years ago
Is this correct?- <br><br> Also please don’t just say “yes” or “no”-
hichkok12 [17]

Answer:

a) No

b) No

c) No

d) Yes

3 0
3 years ago
13 = -7 + 9x - 5x<br> X =
brilliants [131]

Answer:

x = 5

Step-by-step explanation:

Given

13 = - 7 + 9x - 5x , that is

13 = - 7 + 4x ( add 7 to both sides )

20 = 4x ( divide both sides by 4 )

5 = x

3 0
3 years ago
Help I need to do this before 3:00
Andrew [12]

Answer:

where is x ..... show that first

4 0
2 years ago
Read 2 more answers
decide if the following change is an increase or decrease. then determine the percent of change. 48 inches to 30 inches
Wewaii [24]
48 inches to 30 inches is a decrease.
percent decrease = change/original value x 100%
= (48 - 30)/48 x 100%
= 18/48 x 100%
= 37.5% decrease
3 0
3 years ago
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