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Shtirlitz [24]
3 years ago
12

Savannah is writing an article for the school paper on the next school election. She surveys 20 of her friends and finds that 17

plan on voting for Angie Ruiz for president. In the article, Savannah wrote that she expects 85% of the student population to vote for Angie Ruiz. Why is this a poor estimate of the election outcomes?
Mathematics
1 answer:
Sonbull [250]3 years ago
4 0

Answer:

A. The students were not chosen randomly.

Step-by-step explanation:

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In each of the following situations, the sampling frame does not match the population, resulting in undercoverage. Give examples
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3 years ago
Factor out the GCF from the terms of the polynomial –4y5 + 6y3 + 8y2 – 2y. A. –2y4 + 3y2 + 4y – 1 B. y(–4y4 + 6y2 + 8y – 2) C. 2
andreyandreev [35.5K]

Answer:

Option D) -2y(2y^4-3y^2-4y+1) is correct

Therefore -4y^5+6y^3+8y^2-2y=-2y(2y^4-3y^2-4y+1)

Step-by-step explanation:

Given polynomial is -4y^5+6y^3+8y^2-2y

To factorise the given polynomial by taking out the common terms of the given polynomial :

  • -4y^5+6y^3+8y^2-2y
  • =2y(-2y^4+3y^2+4y-1) ( here 2y is GCF common term so taking outside the terms of the polynomial )
  • =-2y(2y^4-3y^2-4y+1) ( now taking (-) outside )

Therefore -4y^5+6y^3+8y^2-2y=-2y(2y^4-3y^2-4y+1)

Option D) -2y(2y^4-3y^2-4y+1) is correct

8 0
4 years ago
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Answer:

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Step-by-step explanation:

You can't simplify it more than 3/11 so

1 3/11

8 0
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Lady_Fox [76]

Answer:

26

Step-by-step explanation:

338 / 13 = 26

26 batches of 13 flowers are equal to 338.

8 0
3 years ago
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