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2 years ago

I just cant figure out this question and the paper is due soon! i need help asap can some one please help me?

Mathematics

1 answer:

Hatshy [7]2 years ago

6 0

Answer:

Step-by-step explanations

Clay 1.5 0.12 30

Silty Clay 1.9 0.18 40

Clay Loam 2.4 0.25 40

Silty Clay Loam 2.4 0.25 50

Sandy Clay Loam 1.8 0.20 50

Sandy Clay 1.9 0.12 50

Silt 2.0 0.40 50

Silty Loam 2.4 0.43 50

Loam 2.0 0.54 50

Sandy Loam 1.4 0.75 50

Loamy Sand 0.8 0.88 50

Fine Sand 0.7 1.25 60

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How to I find this?<br><br> What percent of 60 is 42?

Tpy6a [65]

So let's put it this way-
N% x 60 = 42
You want to isolate the variable
42/60 = N%
42/60 is .7 which is 70%
Hope this helps :)

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How much money does the average professional hockey fan spend on food at a single hockey game? That question was posed to 10 ra

Vinil7 [7]

Answer:

Now we have everything in order to replace into formula (1):

$18-2.262\frac{2.75}{\sqrt{10}}=16.03$

$18+2.262\frac{2.75}{\sqrt{10}}=19.97$

Step-by-step explanation:

Information given

$\bar X=18$ represent the sample mean

$\mu$ population mean (variable of interest)

s=2.75 represent the sample standard deviation

n=10 represent the sample size

Confidence interval

The confidence interval for the mean is given by the following formula:

$\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}$ (1)

The degrees of freedom are given by:

$df=n-1=10-1=9$

The Confidence is 0.90 or 90%, the significance is $\alpha=0.1$ and $\alpha/2 =0.05$ , and the critical vaue would be $t_{\alpha/2}=2.262$

Now we have everything in order to replace into formula (1):

$18-2.262\frac{2.75}{\sqrt{10}}=16.03$

$18+2.262\frac{2.75}{\sqrt{10}}=19.97$

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2 years ago

How many solutions are ther to this equation.

Korolek [52]

There are multiple solutions and they will vary.

Hope this helps!
Can u plz mark me as brainliest? I really need it!

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IRINA_888 [86]

Sure, What's up! What kinda help do you need. Give me subjects grade level.

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