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Ber [7]
2 years ago
8

!!!!!!!!WILL MARK BRAINLIEST!!!!!!!!!!!! A school board is interested in whether high school students would like to shift the sc

hool day forward by 30 minutes. They decide to conduct a survey and randomly select students who are involved in extracurricular activities. Which statement is true? A. The survey results are most at risk for nonresponse bias. B. The survey results are most at risk for undercoverage. C. The survey results are most at risk for students not being able to answer honestly. D. The survey results are not at risk for any bias.
Mathematics
2 answers:
Andrej [43]2 years ago
8 0

Answer:

B the survey results are most at risk for undercoverage

Step-by-step explanation:

Sati [7]2 years ago
7 0
The correct answer is B


These students do not represent the whole population of students, so the results of the survey will disproportionately recognize the opinion of the extracurricular students.
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alexira [117]

Answer:

A

Step-by-step explanation:

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3 years ago
Which could be the first step in simplifying this expression? Check all that apply. (x^3x^-6)^2
allsm [11]
If the expression is what I understand it is, this is my answer. (x to the third times x to the negative sixth all squared)

First, i would simplify what is inside the parentheses. x^-6 is the equivalent to
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When dividing numbers with exponents, just subtract the exponents. 
3-6= -3     so the simplification of the expression in the parentheses is 1/x^3.

To finish the problem, I would apply the square from outside the parentheses to the values inside them. In this way, the exponent would be multiplied by 2.

Our final answer is 1/x^6.
3 0
3 years ago
ASAP Quadrilateral ABCD is similiar to quadrilateral EFGH. The lengths of the three longest sides in quadrilateral ABCD are 24 f
Nitella [24]

Answer:

D. 6 feet.

Step-by-step explanation:

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As they are similar the corresponding sides are in the same ratio so

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2/3 = x/9

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x = 6 feet.

3 0
3 years ago
50 POINTS! WILL MARK BRAINLEST! NEED IN 10 - 15 MINUTES!
masha68 [24]

Answer:

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14+7=21

21 is final answer

Erika had a 95% chance of guessing wrong

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7 0
3 years ago
1.Graph f(x) = -1.5x +6<br> 2.Graph f(x) = -1/2x-5
nalin [4]

Ans(1):

Given equation is f(x)=-1.5x+6

we can plug any number like x=0 and x=2 to find the f(x) also called y-value

plug x=0

f(x)=-1.5x+6 =-1.5*0+6 =0+6 =6

Hence first point is (0,6)

plug x=2

f(x)=-1.5x+6 =-1.5*2+6 =-3+6 =3

Hence first point is (2,3)

now we can graph both points then join them to get final graph of f(x)=-1.5x+6

---------------------

Ans(2):

We can repeat exactly same process for f(x) = -1/2x-5.

So the final graph will look like attached picture:


5 0
3 years ago
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