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posledela
3 years ago
8

What’s a random sample survey

Mathematics
1 answer:
Fudgin [204]3 years ago
4 0

Answer:

its a variety of selection techniques in which sample members are selected by chance


Step-by-step explanation:


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Step-by-step explanation:

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2 years ago
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mel-nik [20]

We have to find horizontal component of Mayosons velocity.

#a

\\ \tt\bull\leadsto V_x=vsin\theta

\\ \tt\bull\leadsto V_x=2.5sin36

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\\ \tt\bull\leadsto V_x=1.45m/s

#b

Here 2 vectors A=8 and B=2.5

\\ \tt\bull\leadsto \overrightarrow{R}

\\ \tt\bull\leadsto \sqrt{A^2+B^2+2ABcos\Theta}

\\ \tt\bull\leadsto \sqrt{8^2+2.5^2+2(8)(2.5)cos36}

\\ \tt\bull\leadsto \sqrt{64+6.25+40(0.8)}

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\\ \tt\bull\leadsto \sqrt{102.25}

\\ \tt\bull\leadsto 10.15m/s

3 0
2 years ago
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