3 years ago

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

Alex Ar [27]

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
2 ≠ 4

6 0

3 years ago

How much will $600 amount to be if it is invested at 10% interest compounded semiannually (two times a year) for 4 years?

Orlov [11]

=600(1+0.1/2)^8 Use the calculator to get the answer :-)

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3 years ago

ANSWER #6 TO BE MARKED AS BRAINLIEST

Alina [70]

I believe its 137/60

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3 years ago

Read 2 more answers

Can Someone plz help me with this question? <br> I will mark brainliest

Gala2k [10]

The answer to your question is

No

8 0

2 years ago