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Sergeu [11.5K]
3 years ago
9

A factory makes candy bars and ships them in cases.

Mathematics
1 answer:
ioda3 years ago
4 0

Answer:

24 candy bars

Step-by-step explanation:

1case=6boxes of candy bars

1 case=144 candy bars

1 box has the same number of candy bars as the rest

What is the number of candy bars in 1 box

6 boxes = 144 candy bars

1 box = ?

144×1 ÷6= 24 candy bars

1 box has 24 candy bars

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Graph the exponential function.<br> f(x)= -(5/2)^x
7nadin3 [17]

Answer:

  see below

Step-by-step explanation:

Your spreadsheet or graphing calculator can do this for you.

__

If you want to do it by hand, pick a few values for x, compute the corresponding values of f(x), plot those points, and draw a smooth curve through them. You know the horizontal asymptote is y=0, and the whole graph is in the 3rd and 4th quadrants, since the exponential function has been reflected over the x-axis by the leading minus sign.

5 0
3 years ago
A swimming pool can be filled in 18hours if water enters through a pipe​ alone, or in 25 hours if water enters through a hose al
Rama09 [41]
It would take as long as it would take me to f u c c ur mom
8 0
3 years ago
Find the domain of f/g
san4es73 [151]

Answer:

C. All real numbers except 3/4

Step-by-step explanation:

We are given

f(x)=3x^2+x^4+2

g(x)=4x-3

Firstly, we will find f/g

\frac{f}{g}=\frac{3x^2+x^4+2}{4x-3}

Domain:

We know that domain is all possible values of x for which any function is defined

so, we know that denominator of any function can not be zero

so, firstly we set denominator =0

and then we can solve for x

4x-3=0

Add both sides by 3

4x-3+3=0+3

4x=3

x=\frac{3}{4}

so, this function is defined for all values of x except at

x=\frac{3}{4}

Domain will be

All real numbers except 3/4

5 0
3 years ago
Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his custom
ira [324]

Answer:

a) The best estimator for the population mean is given by the sample mean \hat \mu = \bar X = 5.70

b) The 99% confidence interval would be given by (4.969;6.431)    

c) We are 99% confident that the true mean for th number of gallons of gasoline  sold to his customers is between 4.969 and 6.431.

Step-by-step explanation:

1) Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

\bar X represent the sample mean for the sample  

\mu population mean (variable of interest)

\sigma=1.9 represent the population standard deviation

n=45 represent the sample size  

2) Part a

The best estimator for the population mean is given by the sample mean \hat \mu = \bar X = 5.70

3) Part b. Develop a 99 percent confidence interval for the population mean.

The confidence interval for the mean is given by the following formula:

\bar X \pm z_{\alpha/2}\frac{\sigma}{\sqrt{n}}   (1)

Since the Confidence is 0.95 or 95%, the value of \alpha=0.01 and \alpha/2 =0.005, and we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-NORM.INV(0.005,0,1)".And we see that z_{\alpha/2}=2.58

Now we have everything in order to replace into formula (1):

5.7-2.58\frac{1.9}{\sqrt{45}}=4.969    

5.7+2.58\frac{1.9}{\sqrt{45}}=6.431

So on this case the 99% confidence interval would be given by (4.969;6.431)    

4) Part c. Interpret the meaning of part (b).

On this case we can say this: We are 99% confident that the true mean for th number of gallons of gasoline  sold to his customers is between 4.969 and 6.431.

4 0
3 years ago
A test has 20 question if peter gets 80% correct, how many question did peter miss
AlexFokin [52]

Answer:

16 questions right = 80%

So Peter missed 4 questions.

Hope this helps.

:-)

6 0
3 years ago
Read 2 more answers
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