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Nimfa-mama [501]
2 years ago
9

Factorise fully -X – 10 Pls help

Mathematics
1 answer:
Nataly_w [17]2 years ago
3 0

Answer:

-X – 10=-1(x+10) is your answer

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The company Drug Test Success provides a "1-Panel-THC" test for marihuana usage. Among 300 tested subjects, results from 27 subj
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Answer:

There is evidence for the claim that less than 10% of the test results are wrong

Step-by-step explanation:

Given that the company Drug Test Success provides a "1-Panel-THC" test for marihuana usage.

Among 300 tested subjects, results from 27 subjects were wrong (either a false positive or a false negative.)

Sample proportion = \frac{27}{300} \\=0.09

H0: p = 0.10

Ha: p <0.10

(left tailed test)

p difference = 0.09-0.10 = -0.01

Std error = \sqrt{0.1*0.9/300} \\=0.005196

z statistic = -1.9245

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Since p <0.05 we reject H0

There is evidence for the claim that less than 10% of the test results are wrong

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3 years ago
Evaluate f(4)<br> f(x) = 3x + 4
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The answer is definitely 7xf
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2 years ago
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leonid [27]
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then she’ll work 4 hours babysitting which will give her $48.
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3 years ago
What was the original price if after increase by 30% it becomes $520?
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2 years ago
Help, please. Ty if you do :D
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I think is answer B
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Read 2 more answers
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