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3 years ago

8

Help with 1 and 2 this is urgent

1 answer:

vampirchik [111]3 years ago

3 0

The answer to the first part is 172 plants per row with a remainder of 3 plants
The answer to the second part is, Martin knows that 7 goes into 700 100 times, 7 goes into 490 70 times, and 7 goes into 17 twice with a remainder of 3. He then adds 100 70 and 2 together to get 172 with a remainder of 3.

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Each pot of coffee served 10 people. How many tablespoons are needed if you want enough coffee to serve 80 people?

podryga [215]

Answer:

8 pots

Step-by-step explanation:

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2 years ago

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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3 years ago

Can someone please do number 12 and 14 for me ?

KengaRu [80]

12. Yes, because the diagonals of a parallelogram bisect each other.
14. Yes, a parallelogram has opposite sides that are equal.

Hope this helps =)

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3 years ago

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notka56 [123]

Answer:

You will pay $65.88 in total

Step-by-step explanation:

Bill amount: $54
Tip: 22% = $54 * 0.22 = $11.88

Sum up: $54 + $11.88 = $65.88

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2 years ago

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Step-by-step explanation:

idk

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3 years ago

Read 2 more answers