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Maslowich
2 years ago
10

A school wants to know how the community feels about a merger with another school. The school surveys the parents of the student

s about the merger. Is this sample likely to be biased or unbiased? biased unbiased
Mathematics
1 answer:
Nostrana [21]2 years ago
4 0
This is biased. 
School wants to know about a thing involving a merger. 
You ask people involved in the merger; BIASED.
You need to ask people from the entire community to be unbiased.
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The volleyball team sold 16 items on the first day of a bake sale, 28 items on the second day, and 12 items on the last day. The
valina [46]
60 items were for sale because you need to add together the amounts that were sold plus what was left over, giving you everything that they had for sale.
6 0
2 years ago
7x(x+4)<br> 7x^2+4<br> 7x^2+28x<br> 8x+4<br> 8x+11
Scilla [17]

Answer:

7x^2+28x

Step-by-step explanation:

7x(x+4)\\\\Multiplication\ is\ distributive\ on\ addition\\\\\Rightarrow 7x(x+4)=7(x\times x+x\times 4)\\\\7x(x+4)=7(x^2+4x)\\\\Multiplication\ is\ distributive\ on\ addition\\\\\Rightarrow 7x(x+4)==7\times x^2+7\times 4x\\\\7x(x+4)=7x^2+28x

6 0
3 years ago
jonathan meaking his favourite dish pasta,his mother mom ate 2/7 of pasta and his brother ate 1/6 of the pasta. how much did the
oee [108]

Answer:

19/42 or .4523809524 pasta eaten

Step-by-step explanation:

2/7+1/6=19/42 or .4523809524

8 0
3 years ago
Can you help me with this
kifflom [539]

Answer:

the anwer is d

I did the math

8 0
2 years ago
Read 2 more answers
How to solve this showing all work ! Also explain why they aren’t polynomials if you can :)
Lesechka [4]

Polynomials are linear combinations of positive integer powers. For example,

x^{100}+30x^2-\sqrt 2\,x+21

is a polynomial, but

-x^{-1}-4x^\pi+x^{3/2}

is not.

(In case you're unfamiliar with the term, a linear combination of two quantities is the sum of scaled versions of those quantities, e.g. a general linear combination of a and b is k_1a+k_2b, where k_1,k_2 are any numbers.)

8x^2-18\sqrt x+5x-3 is not a polynomial; the offending term is -18\sqrt x, or -18x^{1/2}.

7 0
2 years ago
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