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dusya [7]
3 years ago
11

What is the inverse of y=^x3

Mathematics
1 answer:
Rashid [163]3 years ago
4 0

Answer:

Inverse of y=x^3 is f^-1(x) = ∛x

Step-by-step explanation:

We need to find the inverse of y=x^3

Step 1:

Interchange the variables:

x= y^3

Step 2: Now solve to find the value of y

=> y^3 = x

taking cube root on both sides of the equation

∛y^3 = ∛x

y=∛x

Step 3: Replace y with f^-1(x)

f^-1(x) = ∛x

So inverse of y=x^3 is f^-1(x) = ∛x

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A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only
makvit [3.9K]

Answer:

The sample size is  n = 3139    

Step-by-step explanation:

From the question we are told that

   The margin of error is  E = 0.02

From the question we are told the confidence level is  97.5% , hence the level of significance is    

      \alpha = (100 - 97.5% ) \%

=>   \alpha = 0.025

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

   Z_{\frac{\alpha }{2} } = 2.241

Generally we will assume the sample proportion to be \^ p = 0.5

Generally the sample size is mathematically represented as  

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=>  n = [\frac{2.241}{0.02} ]^2 *0.5 (1 - 0.5 )

=>  n = 3139    

   

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2 years ago
What is the domain of y = cos θ
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All real numbers / all x 
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5 0
3 years ago
Read 2 more answers
Math question.......
MAXImum [283]

Answer:

x=54

Step-by-step explanation:

easy

180 is a triangle

so

exterior+interior=180

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Step-by-step explanation:

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3 years ago
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2x + 8y = 5<br> 24x – 4y = –15
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2x + 8y = 5

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2x + 8y = 5

48x - 8x = -30

+

--------------------------

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-1 + 8y = 5

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3 years ago
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