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Yuki888 [10]
3 years ago
7

Please help ASAP. 15 points.

Mathematics
1 answer:
maks197457 [2]3 years ago
5 0
Since you're told that the airfare cost is 737 we know that this is a number that will not be varied in any way and that this number will be added to the number of nights that he pays for to stay at a hotel. We are also told that the cost per night is 164 and that x represents the number of nights that he stays. We can then have the following

y = 164x + 737

for the second package we are told that it cost 249 for the round trip and 531 per night at a hotel. Moreover, once again x represents the number of nights that he will be staying at the hotel, giving the equation

y = 531x + 249

therefore, option C is the correct answer.
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Emergency meeting! please help me<br><br><br>help me get the right answer, also, its not y = -3x
Sidana [21]

Answer: y= 1.2x

Step-by-step explanation: input the x and y to each of the equations the one above is. The closes to true. So it is the line of best fit.

3 0
2 years ago
Read 2 more answers
Do one of the​ following, as appropriate.​ (a) Find the critical value z Subscript alpha divided by 2​, ​(b) find the critical v
aliya0001 [1]

Answer:

t=\pm 2.95

Step-by-step explanation:

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".  

The t distribution or Student’s t-distribution is a "probability distribution that is used to estimate population parameters when the sample size is small (n<30) or when the population variance is unknown".

The shape of the t distribution is determined by its degrees of freedom and when the degrees of freedom increase the t distirbution becomes a normal distribution approximately.  

Data given

Confidence =0.99 or 99%

\alpha=1-0.99=0.01 represent the significance level

n =16 represent the sample size

We don't know the population deviation \sigma

Solution for the problem

For this case since we don't know the population deviation and our sample size is <30 we can't use the normal distribution. We neeed to use on this case the t distribution, first we need to calculate the degrees of freedom given by:

df=n-1=16-1=15

We know that \alpha=0.01 so then \alpha/2=0.005 and we can find on the t distribution with 15 degrees of freedom a value that accumulates 0.005 of the area on the left tail. We can use the following excel code to find it:

"=T.INV(0.005;15)" and we got t_{\alpha/2}=-2.95 on this case since the distribution is symmetric we know that the other critical value is t_{\alpha/2}=2.95

8 0
3 years ago
What is the expresion for (-1/2)(-1/2)(-1/2) as an exponent​
stellarik [79]

Answer:

-1/2 to the third power

Step-by-step explanation:

first you look and see -1/2 times -1/2 times -1/2 which is the same as -1/2 to the third power.

then if you have -1/2 to the 3rd power you just simply take -1/2*-1/2*-1/2 which is the same as the expression

7 0
3 years ago
Select all of the following sets of angle measures that would form a triangle.
siniylev [52]
30,60,90
45,45,90


Pretty much all angles that add up to be 180
5 0
3 years ago
Read 2 more answers
Your fi nancial advisor recommends buying a 10-year bond with a face value of $1,000 and an annual coupon of $80. The current in
rusak2 [61]

Answer:

Bond Price​= $1,070.24

Step-by-step explanation:

Giving the following information:

Cupon= $80

Number of periods= 10 years

Face value= $1,000

Interest rate= 7%

<u>To calculate the price of the bond, we need to use the following formula:</u>

Bond Price​= cupon*{[1 - (1+i)^-n] / i} + [face value/(1+i)^n]

Bond Price​= 80*{[1 - (1.07^-10)] / 0.07} + [1,000 / (1.07^10)]

Bond Price​= 561.89 + 508.35

Bond Price​= $1,070.24

8 0
2 years ago
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