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3 years ago

|n|=5 what is the value of n

Mathematics

2 answers:

alisha [4.7K]3 years ago

7 0

L n l = 5

n = -5 or n = 5

hope this helps!

lukranit [14]3 years ago

6 0

Answer:

5 only

Step-by-step explanation:

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3 years ago

Find 3 ratios that are equivalent to the given ratio. 36:42

drek231 [11]

Answer:

6:7
12:14
96:112

Step-by-step explanation:

Each of the values in the given ratio is a multiple of 6. It can be reduced to lowest terms by dividing by 6. Then equivalents can be formed by multiplying the basic ratio by any number of your choice

36:42 = 6:7

= 12:14 . . . . . . . multiply by 2

= 18:21 . . . . . . . multiply by 3

= 24:28 . . . . . . multiply by 4

= 96:112 . . . . . . multiply by 16

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3 years ago

Suppose that administrators at a large urban high school want to gain a better understanding of the prevalence of bullying withi

RSB [31]

Answer: $(0.273,\ 0.783)$

Step-by-step explanation:

Given : Total number of students who are asked to complete a survey anonymously : n= 240

Number of students

The proportion report that they have experienced bullying =54

Then , the proportion that students have experienced bullying = $p=\dfrac{54}{240}=0.225$

Significance interval : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

The confidence interval for the true proportion is given by :-

$p\pm z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}\\\\=0.225\pm (1.96)\sqrt{\dfrac{(0.225)(1-0.225)}{240}}\\\\\approx0.225\pm0.0528\\\\=(0.255-0.528,\ 0.255+0.528)\\\\=(0.273,\ 0.783)$

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3 years ago

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Andrei [34K]

$78

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3 years ago

What are the names of three collinear points

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If three points were A, B and C are collinear points and B is between A and C, then AB+BC=AC

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4 years ago