3 years ago

Me need help fast plz help

Mathematics

2 answers:

Kipish [7]3 years ago

8 0

I need help too but nobody will help me at all

Natasha2012 [34]3 years ago

7 0

Hmm I can’t figure out the full answer but I can give you the formulas : for the triangles it’s base time height divided by 2 then for the rectangles it’s base time height then you add them all up. Hope this helps シ

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krek1111 [17]

Answer:6\

Step-by-step explanation:

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3 years ago

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Consider a normal population with the mean of 40 and standard deviation of 10. A random sample of was selected: 39.2, 45.7, 27.4

Tems11 [23]

Answer:

$\bar X = \frac{\sum_{i=1}^n X_i}{n}$

And replacing we got:

$\bar X= 38.91$

And we can find the bias with this formula:

$Bias= \bar X -\mu$

And replacing we got:

$Bias = 38.91 -40 = -1.09$

Step-by-step explanation:

For this problem we know that the random variable of interest follows this distribution:

$X \sim N(\mu =40, \sigma= 10)$

And we have the following random sample given:

39.2, 45.7, 27.4, 25.9, 25.1, 46.3, 42.9, 49.0, 40.6, 47.0

And we can calculate the sample mean with the following formula:

$\bar X = \frac{\sum_{i=1}^n X_i}{n}$

And replacing we got:

$\bar X= 38.91$

And we can find the bias with this formula:

$Bias= \bar X -\mu$

And replacing we got:

$Bias = 38.91 -40 = -1.09$

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3 years ago

in which category is the cost of living in Atlanta almost three times the cost of living in Philadelphia

iogann1982 [59]

Because atlanta is a bigger city

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4 years ago

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What is the value of A when we rewrite<br> (1/7)^x-2 - (1/7) ^x as A x (1/7)^x

vitfil [10]

Answer:

i think its 330

Step-by-step explanation:

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Negative sixteen plus the quotent of a number and 2 is 35

const2013 [10]

-16 + (n/2)=35 quotent means divide

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3 years ago