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butalik [34]
3 years ago
11

Check any two correct options about a circle

Mathematics
2 answers:
stellarik [79]3 years ago
3 0

the area and circumference ones are correct. a quadrilateral has 4 sides, so that one is incorrect. hope this helps!

ANEK [815]3 years ago
3 0

Answer:

the are and the cirumfrence are the ones that are right

Step-by-step explanation:

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8 0
3 years ago
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Mumz [18]
D. It’s a reflection because they’re the same
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3 years ago
How many millilteres are in 2 and a 1\2
andrew11 [14]

Answer:600 mL 2.54 Cups 2 and 1/2 cups

Step-by-step explanation:

3 0
2 years ago
The Bureau of Alcohol, Tobacco, and Firearms (BATF) has been concerned about lead levels in California wines. In a previous test
polet [3.4K]

Answer:

The sample size is  n = 1043

Step-by-step explanation:

From the question we are told that

  The lower bound of the range is a = 51

  The upper bound of the range is b =  710

    The margin of error is E = 10

Generally the standard deviation is mathematically represented as

       \sigma =  \frac{b- a}{4}

=>    \sigma =  \frac{710 - 51 }{4}

=>    \sigma = 164.75

From the question we are told the confidence level is  95% , hence the level of significance is    

      \alpha = (100 - 95 ) \%

=>   \alpha = 0.05

Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

   Z_{\frac{\alpha }{2} } =  1.96

Generally the sample size is mathematically represented as  

    n = [\frac{Z_{\frac{\alpha }{2} } *  \sigma }{E} ] ^2

=> n = [ 1.96  *  164.75 }{10} ] ^2

=> n = 1043

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3 years ago
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Answer:

X + 78

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Step-by-step explanation

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