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Rainbow [258]
3 years ago
8

Could you help me with this. Express in simplest radical form. 162 ​

Mathematics
1 answer:
Ivanshal [37]3 years ago
7 0

Answer:

The square root of 162 in its simplest form means to get the number 162 inside the radical √ as low as possible.

Here is how to do that! First we write the square root of 162 like this:

√162

The largest perfect square of the factors of 162 is 81. We can therefore convert √162 like this:

√81 × 2

Next, we separate the numbers inside the √ as such:

√81 × √2

√81 is a perfect square that equals 9. We can therefore put 9 outside the radical and get the final answer to square root of 162 in simplest radical form as follows:

9√2

Step-by-step explanation:

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<h2>look at the photo...........................</h2>

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The average value of two positive numbers is 30% less than one of the two numbers. By which percentage is average value bigger t
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Answer:

75% bigger

Step-by-step explanation:

Let the first number be x and the second be y.

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Substitute Average = (1 - 30\%) * x in Average = \frac{x + y}{2}

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\frac{x + y}{2} = 0.70x

Cross multiply

x + y = 0.70x * 2

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Collect like terms

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Make x the subject

x = \frac{y}{0.40}

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So, the average is:

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Average = (1 - 30\%) * 2.50y

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Average =(1 + 0.75)y

Express as percentage

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6 0
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Answer:

Step-by-step explanation:

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The correlation coefficient, slope and intercept are calculated as shown below:

x y

378 54

350 57

320 59

478 80

451 82

250 75

489 73

451 53

410 67

215 78

113 67

250 56

450 85

489 101

472 99

 

Mean 371.0666667 72.4

std dev 117.5138087 15.42632259

covariance 667.5733333  

r 0.394558035  

Slope 3.005642934  

Intercept 153.4581182  

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