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3 years ago

What does it mean to square a number? Provide an example to support your answer.

Mathematics

1 answer:

shutvik [7]3 years ago

5 0

Answer:

When squaring a number it is essentially taking a number and multiplying it by itself. For example, 5^2 is 5×5 (=25).

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Three friends went running.

lara31 [8.8K]

Answer:

$3 \: miles$

Step-by-step explanation:

$eric = \frac{9/2} miles \\ josh \: = \frac{9}{2} \times \frac{5}{6} = \frac{45}{12} = \frac{15}{4}miles \\ kerry = \frac{15}{4} \times \frac{4}{5} = \frac{60}{20} = 3 \: miles$

Hope this helps

Can I have the brainliest please?

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3 years ago

Please help me answer

guajiro [1.7K]

$180 - (28 + 90) = 62$
The answer is 62

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3 years ago

A group of kids just finished trick-or-treating. The number of pieces of candy collected by each of the 5 kids

NemiM [27]

Answer:

$s = \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}$

$s =\sqrt{\frac{(31-35)^2 +(33-35)^2 +(36-35)^2 +(41-35)^2 +(34-35)^2}{5-1}} =3.808$

And the answer for this case would be :

$s= 3.81$ after round the value

Step-by-step explanation:

We have the following data set given:

31, 33, 36, 41, 34

If we want to find the standard deviation we need to find first the sample mean with this formula:

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

And replacing we got:

$\bar X = \frac{31+33+36+41+34}{5}= \frac{175}{5}= 35$

Now we can find the sampel deviation with this formula:

$s = \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}$

And replacing we got:

$s =\sqrt{\frac{(31-35)^2 +(33-35)^2 +(36-35)^2 +(41-35)^2 +(34-35)^2}{5-1}} =3.808$

And the answer for this case would be :

$s= 3.81$ after round the value

6 0

4 years ago

So the laptop costs $2350?

geniusboy [140]

So what is the question?

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3 years ago

The number of days in a month is measured in the ones.<br> A. True<br> B. False

fgiga [73]

Answer:

False

Step-by-step explanation:

It is pretty simple

7 0

3 years ago

Read 2 more answers