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Trava [24]
3 years ago
10

A regular hexagon is dilated by a scale factor of 43 to create a new hexagon. How does the perimeter of the new hexagon compare

with the original perimeter?
Mathematics
1 answer:
marysya [2.9K]3 years ago
6 0

Answer:

the dilated perimeter is 258x while the og perimeter is 6x

Step-by-step explanation:

Let side length = x

Og perimeter: 6x

Dilated perimeter: 43*6x=258x

Therefore, the dilated perimeter is 258x while the og perimeter is 6x

I hope this helped and have a good rest of your day!

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Write a simplified polynomial expression in standard form to represent the area of the rectangle below.
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Answer:

5x^{2} -18x-8

Step-by-step explanation:

The formula for area of a rectange is lw, where l is length and w is width.  Since x-4 and 5x+2 are the sides, we can multiply them together to give us the area.  We do (x-4)(5x+2).  We use the FOIL method (First Outside Inside Last) and get 5x^2-18x-8.

7 0
3 years ago
35 into binary number<br>​
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Answer:

35 in binary is 100011.

Step-by-step explanation:

To find decimal to binary equivalent, divide 35 successively by 2 until the quotient becomes 0.

4 0
2 years ago
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Suppose John is a high school statistics teacher who believes that watching many hours of TV leads to lower test scores. Immedia
Hatshy [7]

This question is incomplete, the complete question is;

Suppose John is a high school statistics teacher who believes that watching many hours of TV leads to lower test scores. Immediately after giving the most recent test, he surveyed each of the 24 students in his class and asked them how many hours of TV they watched that week. He then matched each student's test grade with his or her survey response. After compiling the data, he used hours of TV watched to predict each student's test score. He found the least-squares regression line to be y"  = -1.5x + 85.

He also calculated that the value of r, the correlation, was -0.61.

what is the correct value of the coefficient of determination R² and give a correct interpretation of its meaning

Answer:

Interpretation of coefficient of determination R² = 0.3721

R² = 0.3721, meaning 37.21% of the total variation in test scores can be explained by the least square regression line

Step-by-step explanation:  

Given the data in the question;

the least square regression line is;

y"  = -1.5x + 85

the correlation coefficient r = -0.61

Now, the coefficient of determination R² is square of correlation coefficient r

R² = -61²

R² = 0.3721

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2 years ago
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1 is the safest answer.
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3 years ago
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An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $6600 and his st
Nonamiya [84]

Answer:

4.9%

Step-by-step explanation:

6600 * 107/100 = 66*107 = 7062.

3500 * 101/100 = 35x101 = 3535

7062+3535=10597. Original worth: 10100

10597-10100 = 497

497/10100 = 0.0492079208, or 4.92%, rounds to 4.9%

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2 years ago
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