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Brums [2.3K]
2 years ago
10

A popular news magazine has run an article on the candidates for the latest election. In the article they carefully explain the

candidates platforms and what they believe in. In order to get a gauge on who they think will win the election they ask the readers to go to a website and click on whom they plan on voting for in the election. They ensure that you can only vote once from the computer by recording the IP address.This method of voting causes a lot of bias in the selection process.
All of the reasons below are ISSUES with this type of selection process except:

A. Using different devices (computer, iPad, etc) some people vote more than once.

B. Some people vote on any survey they find without giving thought to the issue.

C. Many people won't take the time to got to the website, so only those who feel very strongly in favor of one go and vote

D. People read the article and determine which candidate most aligns with their beliefs and then go to the website and select that candidate.
Mathematics
1 answer:
seraphim [82]2 years ago
3 0

C. that is the answer jjsnsnsnsnnsjsk

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Given that x=3sin​​θ-2 and y=3cos​​​θ+4.Show that (x+2)²+ (y-4)²=9​​​​​​
asambeis [7]

Answer:

First, plug-in x and y as 3sin​​θ-2 and 3cos​​​θ+4 into the equation, respectively:

((3\sin (\theta)-2)+2)^2 + ((3\cos (\theta)+4)-4)^2 = 9

Then, +2 and -2 cancel out and +4 and -4 cancel out as well, leaving you with:

(3\sin(\theta))^2+(3\cos(\theta))^2=9

We can factor out 3^2 = 9 from both equations:

9(\sin(\theta)^2+cos(\theta)^2) = 9

We know from a trigonometric identity that \sin(\theta)^2+cos(\theta)^2 = 1, meaning we can reduce the equation to:

9(1) = 9

9=9

And therefore, we have shown that (x+2)^2 + (y-4)^2 = 9, if x=3sin​​θ-2 and y=3cos​​​θ+4.

Hope this helped you.

7 0
3 years ago
What is (2x + 1)(3x + 7) simplified
motikmotik

Answer:

6x^2+14x+3x+7=6x^2+17x+7

6 0
2 years ago
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Tehara has read 115 pages of a 305 page book she reads 10 pages each day how many days will it take to finish
OlgaM077 [116]
It would take her 20 or 19 days
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Mrs. Yuri’s classroom has 21 students. She took all of her students to a field trip at the skate station and brought four chaper
worty [1.4K]
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Chaperones:supervises so won't be participating
143 divided by 22 equals 6.5
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5 0
3 years ago
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(20 x 40) x 14 = ?
fredd [130]

To solve this problem, we must use the order of operations outlined by PEMDAS, which tells us that we should simplify or compute parentheses first, then exponents, multiplication, division, addition, and finally subtraction.

Using this method, we have to perform the multiplication inside the parentheses first.

(20 * 40) * 14

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Finally, we must perform the final operation to simplify this expression, which is multiplication.

800 * 14 = 11200

Therefore, your final answer is 11200.

Hope this helps!

3 0
3 years ago
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