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Natali5045456 [20]
3 years ago
13

A bike rental company charges $10 to rent a bike plus $2 for each hour the bike rented

Mathematics
1 answer:
Tanzania [10]3 years ago
8 0
Do you need an equation? 
y=2x+10

2x represents each hour, 10 represents renting fee
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You have been assigned to determine whether more people prefer Coke or Pepsi. Assume that roughly half the population prefers Co
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Answer:

n=\frac{0.5(1-0.5)}{(\frac{0.03}{1.96})^2}=1067.11  

And rounded up we have that n=1068

Step-by-step explanation:

For this case we have the following info given:

ME=0.03 the margin of error desired

Conf= 0.95 the level of confidence given

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

the critical value for 95% of confidence is z=1.96

We can use as estimator for the population of interest \hat p=0.5. And on this case we have that ME =\pm 0.03 and we are interested in order to find the value of n, if we solve n from equation (a) we got:  

n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

And replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.03}{1.96})^2}=1067.11  

And rounded up we have that n=1068

3 0
3 years ago
Help again please !
Arte-miy333 [17]
The answer is C.

y = -3x + 2
y = -3x + 4

-3x + 2 = -3x + 4
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How much will $600 amount to be if it is invested at 10% interest compounded semiannually (two times a year) for 4 years?
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ANSWER #6 TO BE MARKED AS BRAINLIEST
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The answer to your question is

No
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