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svetlana [45]
3 years ago
10

I'm just gonna leave this right here ...

Mathematics
2 answers:
yan [13]3 years ago
7 0

Answer:

i think it might be a or b

Step-by-step explanation:

vladimir2022 [97]3 years ago
6 0

Answer:

the answer is #2

y=2/3x

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All you have to so is shade in 2 mini squares and your good

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beks73 [17]
Use Cymath to get your answer
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If 9a+5b+5c=9 what is -10c-18a-10b?
Rus_ich [418]
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Multiplying the whole equation by -2.

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Hence, the answer is -18.
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irga5000 [103]

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28

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3 years ago
Lyme disease is spread in the northeastern United States by infected ticks. The ticks are infected mainly by feeding on mice, so
Stels [109]

Answer: 90% confidence interval is; ( - 0.0516, 0.3752 )

 

Step-by-step explanation:

Given the data in the question;  

n1 = 72, n2 = 17

P1 = 54 / 72 = 0.75

P2 = 10 / 17 = 0.5882

so

P_good = 0.75

P_bad = 0.5882

standard ERRROR will be;

SE = √[(0.75×(1-0.75)/72) + (0.5882×(1-0.5882)/17)]

SE = √( 0.002604 + 0.01424)

SE = 0.12978

given confidence interval = 90%

significance level a = (1 - 90/100) = 0.1, |Z( 0.1/2=0.05)| = 1.645   { from standard normal table}

so

93% CI is;

(0.75 - 0.5882) - 1.645×0.12978 <P_good - P_bad<  (0.75 - 0.5882) + 1.645×0.12978

⇒0.1618 - 0.2134 <P_good - P_bad<  0.1618 + 0.2134

⇒ - 0.0516  <P_good - P_bad< 0.3752

Therefore 90% confidence interval is; ( - 0.0516, 0.3752 )

4 0
3 years ago
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