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iogann1982 [59]
3 years ago
12

A sign at a store reads "3 notebooks for $6". What is the price per note book

Mathematics
2 answers:
mojhsa [17]3 years ago
3 0
$2 per notebook would be the correct answer
nalin [4]3 years ago
3 0
Well $6.00÷3=$2 so the price notebook is $2
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If McDonald sells 5 cows for $100 each and buys a horse for $250 how much would he have
Radda [10]

Answer: 250

Step-by-step explanation:

5(1000)=500

500-250= 250

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2 years ago
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An important factor in selling a residential property is the number of times real estate agents show a home. A sample of 23 home
yanalaym [24]

Using the t-distribution, it is found that:

a. The <u>margin of error</u> is of 4.7 homes.

b. The 98% confidence interval for the population mean is (19.3, 28.7).

The information given in the text is:

  • Sample mean of \overline{x} = 24.
  • Sample standard deviation of s = 9.
  • Sample size of n = 23.

We are given the <u>standard deviation for the sample</u>, which is why the t-distribution is used to solve this question.

The confidence interval is:

\overline{x} \pm M

The margin of error is:

M = t\frac{s}{\sqrt{n}}

Item a:

The critical value, using a t-distribution calculator, for a two-tailed <u>98% confidence interval</u>, with 23 - 1 = <u>22 df</u>, is t = 2.508.

Then, the <em>margin of error</em> is:

M = t\frac{s}{\sqrt{n}} = 2.508\frac{9}{\sqrt{23}} = 4.7

Item b:

The interval is:

\overline{x} - M = 24 - 4.7 = 19.3

\overline{x} + M = 24 + 4.7 = 28.7

The 98% confidence interval for the population mean is (19.3, 28.7).

A similar problem is given at brainly.com/question/15180581

3 0
2 years ago
Find the slope and the y intercept<br> Y=1/3x + 2
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Answer:

m = 1/3, b = 2

Step-by-step explanation:

The equation is already written is slope-intercept form, y = m x + b.

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professor190 [17]

Answer:

B and D

Step-by-step explanation:

I think i am right

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Will mark you as BRAINLIEST​
BabaBlast [244]

Answer:

11^-2 = 0.0082644628

11^-1 = 0.0909090909

11^0 = 1

11^1 = 11

11^2 = 121

3 0
2 years ago
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