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avanturin [10]
3 years ago
10

What's 10 times 3 tens

Mathematics
2 answers:
k0ka [10]3 years ago
8 0
Hey there!

You can think of these questions in terms of dollar bills. For example, "tens" can also be ten dollar bills. So, three tens would be:

$10 + $10 + $10 = $30

Now, multiply that number of dollars by 10. Remember a really good trick for doing mental math with multiplying by 10: just add a zero onto the end of the other number. 

10 × $30 = 300

Your answer will be 300. 

Hope this helped you out! :-)
nadya68 [22]3 years ago
6 0
$10+$10+$10 = $30

$30 x $10 = $300

Answer= $300
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step-by-step explanation: the increase = 204 - 120

increase = 84

percent increase = 84/120

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4 years ago
I need help with this ASAP
vodomira [7]

Answer:

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Step-by-step explanation:

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3 years ago
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Find the mean and standard deviation for the set of data.
dem82 [27]

The mean and standard deviation for the set of data will be 16 and 5.87. Then the correct option is A.

<h3>What is a standard deviation?</h3>

It is the measure of the dispersion of statistical data. Dispersion is the extent to which the value is in a variation.

The set of data is given below.

16, 22, 8, 5, 20, 18, 14, 17, 24

The mean of the data set will be

μ = (16 + 22 + 8 + 5 + 20 + 18 + 14 + 17 + 24) / 9

μ = 144 / 9

μ = 16

Then the standard deviation of the data set will be

\rm \sigma = \sqrt{\dfrac{\Sigma (x_i - \mu)^2}{n}} \\\sigma = \sqrt{\dfrac{(16 - 16)^2 +(22 - 16)^2 + (8-16)^2 + ......+(24-16)^2  }{9}} \\\sigma = \sqrt{\dfrac{310}{9}}\\

Simplify the expression further, then we have

σ = √34.44

σ = 5.87

The mean and standard deviation for the set of data will be 16 and 5.87.

Then the correct option is A.

More about the standard deviation link is given below.

brainly.com/question/12402189

#SPJ1

3 0
1 year ago
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UNO [17]

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Step-by-step explanation:

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3 years ago
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Can anyone give me a hint or answer this?
RideAnS [48]

Answer:

x=8.5

Step-by-step explanation:

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8 0
3 years ago
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