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Amanda [17]
3 years ago
12

The formula for the area of a square is s2, where s is the side length of the square. What is the area of a square with a side l

ength of 6 centimeters? Do not include units in your answer.
Mathematics
1 answer:
jonny [76]3 years ago
8 0

Answer:

36

step by step

given length=6

so area of square is given by s2 i.e 6^2

=6×6

=36 (Ans)

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igomit [66]

3(d + 11) = 6(d + 33)

So you have: 3d + 33 = 6d + 198

which is: -3d = 165

or d = -55

So you have <em>only one answer.</em>

8 0
3 years ago
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Brittany is making hair bows to sell at a craft show. Each hair bow requires 3/4 yard of ribbon. Brittany plans to make 50 bows.
Nadya [2.5K]
Brittany would use 37 and 1/2
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3 years ago
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The number of text messsages that teenagers send per month is normally
ki77a [65]

Answer:

z=\frac{4415-3400}{450}=2.26

And the explanation of this number is:"The number of text messages for Kendra it's 2.26 deviations above the mean"

Step-by-step explanation:

1) Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

2) Calculate the z score

Let X the random variable that represent the number of text messages per month, and for this case we know the distribution for X is given by:

X \sim N(3400,450)  

Where \mu=3400 and \sigma=450

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

z=\frac{4415-3400}{450}=2.26

And the explanation of this number is:"The number of text messages for Kendra it's 2.26 deviations above the mean"

6 0
3 years ago
What is the value of the expression
Neko [114]

Hello!

Answer:

12(3+4+5+...+12+13)= 1,056

Step-by-step explanation:

After evaluating the expression it gave me : 1,056          

Hope this helps!  

3 0
3 years ago
What is 7285 divided by 4
serg [7]

Answer:

1821.25

Step-by-step explanation:

\frac{7285}{4} =  1821.25

5 0
3 years ago
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