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olga nikolaevna [1]
4 years ago
9

Sophie wants to determine if her seventh grade class wants to watch an action, horror, or drama movie. Which sampling method wou

ld likely provide a representative sample of the population?
A. Surveying the seventh grade sports team, because they would best represent seventh grade students.
B. Surveying every fourth seventh grade student as he or she arrives at school because it gives each seventh grade student an equal opportunity to be part of the survey.
C. Surveying every fourth student as he or she arrives at school because it gives each student in the school an equal opportunity to be part of the survey.
D. Surveying every member of the movie club because they would know how many students like action movies.
Mathematics
1 answer:
lana66690 [7]4 years ago
7 0
I think it would be B
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Just align it on the other side.

Step-by-step explanation:

Top right point, count how many units it is from the reflective line. Then count that many units on the other side and place the point. So on so forth.

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3 years ago
Match the types of well formed formulas with the expressions. Negation Conjunction Disjunction Conditional Biconditional A. T &l
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<h3>Answers:</h3>
  • A. T <-> U  is a <u>biconditional</u>
  • B. (A & B) v (C & D)  is a <u>disjunction</u>
  • C. R -> ~S  is a <u>conditional</u>
  • D. P & Q   is a <u>conjunction</u>
  • E. ~(R v P)  is a <u>negation</u>

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Explanations:

  • A biconditional is anything in the form A <-> B. This is a compact way of saying (A -> B) & (B -> A). We replace A and B with logical statements.
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  • Conjunctions are whenever we combine two logical statements with an "and" or an ampersand symbol. The basic form is A & B
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3 years ago
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Step-by-step explanation:

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PLEASE HELP! I will give you the brainiest and A LOT of points!
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Step-by-step explanation:

All you have to do is...

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Three equivalents ratios for 6/9 could be 2/3, 12/18 and 18/27

Step-by-step explanation:

An equivalent ratio refers to the same number but written differently. For example, for the ratio 6/9, we could obtain the following equivalent ratios.

First equivalent ratio

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\frac{6\div 3}{9\div 3}=\frac{2}{3}

Second equivalent ratio

You can multiply the numerator and denominator by 2. You get 12/18

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Third equivalent ratio

You can multiply the numerator and denominator by 3. You get 18/27

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Thus, three equivalents ratios for 6/9 could be 2/3, 12/18 and 18/27

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