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melisa1 [442]
3 years ago
10

Which of these is an example of a random sample? A. A random fan asks for the band to play her favorite song at the next concert

. B. Walter asks his three friends whether or not they enjoyed the concert. C. The band manager picks a person in the first row to go backstage at a concert. D. Five people are chosen randomly from a crowd of people at a concert.
Mathematics
1 answer:
zmey [24]3 years ago
7 0
I believe that the correct answer is D
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F(x)=-x^2+5 I’m supposed to find the solution(s)
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Tcecarenko [31]
<h2><em>Answer:</em></h2><h2><em>1</em><em>.</em><em>0</em><em>6</em></h2>

<em>Solution</em><em>,</em>

<em>9</em><em>x</em><em>/</em><em>7</em><em>-</em><em>6</em><em>x</em><em>=</em><em>1</em><em>5</em>

<em>or,</em><em>9</em><em>x</em><em>=</em><em>1</em><em>5</em><em>(</em><em>7</em><em>-</em><em>6</em><em>x</em><em>)</em><em>[</em><em> </em><em>cross </em><em>multiplication]</em>

<em>or,</em><em>9</em><em>x</em><em>=</em><em>1</em><em>0</em><em>5</em><em>-</em><em>9</em><em>0</em><em>x</em>

<em>or,</em><em>9</em><em>x</em><em>+</em><em>9</em><em>0</em><em>x</em><em>=</em><em>1</em><em>0</em><em>5</em>

<em>or,</em><em>9</em><em>9</em><em>x</em><em>=</em><em>1</em><em>0</em><em>5</em>

<em>or,</em><em>X=</em><em>1</em><em>0</em><em>5</em><em>/</em><em>9</em>

<em>X=</em><em>1</em><em>.</em><em>0</em><em>6</em>

<em>Hope </em><em>it</em><em> helps</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

5 0
3 years ago
4+8x=44 I need helpppp please someone help me
xxTIMURxx [149]

Answer: Your answers ×=5 !

6 0
3 years ago
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2443+5433-3444+55555
KATRIN_1 [288]

Answer:

the anwser is 66,875

Step-by-step explanation:

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quester [9]
I would be happy to help with this question!
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