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Karo-lina-s [1.5K]
3 years ago
5

the width of a rectangle is 5 meters less than it’s length. The area of the rectangle is 84m^2. Find the length and width of the

rectangle
Mathematics
1 answer:
larisa [96]3 years ago
3 0
16.8m is the length and 5m is width
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irga5000 [103]
9+1+4+5=19
9+2+3+5=19
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Twelve more than the product of a number and four is fewer than 60.
valina [46]
Product of a number and four is 4x 
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Round each to the place of the underlined digit. (1). 32.65 (The 6 is underlined), (2). 3.246 (The 4 is underlined), (3). 4.073
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The U.S. Census Bureau announced that the median sales price in 2014 for new homes was $282,800 and the mean sales price was $34
victus00 [196]

Answer:

a) 0.9964

b) 0.3040

Step-by-step explanation:

Given data:

standard deviation =  $90,000

Mean sales price =$345,800

sample mean =  $370,000

Total number of sample = 100

calculate z score for [/tex](\bar x = 370000)[/tex]

z = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{370000 - 345800}{\frac{90000}{\sqrt{100}}}

z = 2.689

P(x<370000) = P(Z<2.689)

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B)

calculate z score for (\bar x = 350000)

z = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{350000 - 345800}{\frac{90000}{\sqrt{100}}}

z = 2.133

P(350000 \leq \bar x \leq 365000) = P(0.467 \leq Z\leq 2.133) = P(Z\leq 2.133) - P(Z\leq 0.467)

FROM NORMAL DISTRIBUTION TABLE Z VALUE FOR

P(Z\leq 2.133) = 0.9836

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SO,  = 0.9836 - 0.6796 = 0.3040

4 0
3 years ago
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