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3 years ago

13

Which number is irrational? 1) -4 2) 2/9 3)

e="\sqrt{11}" alt="\sqrt{11}" align="absmiddle" class="latex-formula">
4) 8.25

1 answer:

Semmy [17]3 years ago

6 0

It’s number 3 hope this helps

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In an agricultural study, the average amount of corn yield is normally distributed with a mean of 185.2 bushels of corn per acre

babunello [35]

Answer:

About 786 would be expected to yield more than 180 bushels of corn per acre

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean and standard deviation , the zscore of a measure X is given by:

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3 years ago

What is the mean absolute deviation of the data set {30,33,36,34,52}?

Georgia [21]

Answer:

6

Step-by-step explanation:

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3 years ago

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Alaska has a land area of about 1700000 square miles Florida has a land area one tenth of the size of Alaska what is the land ar

AnnyKZ [126]

Answer:

The land area of Florida is $170,000\ mi^2$

Step-by-step explanation:

Let

x -----> the land area of Alaska in square miles

y -----> the land area of Florida in square miles

we know that

The linear equation that represent this problem is equal to

$y=\frac{1}{10}x$ ----> equation A

$x=1,700,000$ ----> equation B

substitute equation B in equation A and solve for y

$y=\frac{1}{10}(1,700,000)=170,000\ mi^2$

Remember that

Florida's land area is one-tenth the size of Alaska is the same as to say that Alaska's land area is ten times the size of Florida

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3 years ago

What is the answer to 40x 2/6<br> Explain how u got the answer also

Nimfa-mama [501]

The fraction form of this is 40/3, decimal form is 13.3 infinite.
Use whichever form your teacher wants you to use. (Refer to the image for the steps)

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2 years ago

The sales tax rate is 9 1/2%. Estimate the tax on a $9.98 purchase. How did you arrive at your answer?

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$9.98 * 1.095 = (that is tax; for ex. if it was 23.6 percent tax it would be 1.236)

<u><em>$10.93</em></u>

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3 years ago