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sveticcg [70]
3 years ago
5

Suppose the relationship between x and y is proportional. When x is​ 29, y is 275.5. Find the constant of proportionality of y t

o x. Use the constant of proportionality to find x when y is 408.5. Use pencil and paper. Explain how you can tell a relationship that is proportional from a relationship that is not proportional.
The constant of proportionality is ___.

​(Type a whole number or a​ decimal.)
Mathematics
2 answers:
Goshia [24]3 years ago
7 0
I need points jychtdhjigxdgbjigcf
ruslelena [56]3 years ago
3 0
If it’s proportional, then when X is 1, y is 2.6, you get that by dividing 275.5 by 29

so when y is 408.5, x is 156.91

I believe that is correct.
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Peter made two transactions today at his bank. what can the sum -47.27 plus 598= 550.73 mean in terms of peters bank account? i
Alja [10]

Answer:

Peter withdrew $47.27 and deposited $598, decreasing his balance by $550.73.

Step-by-step explanation:

He took $42.27 from his bank account, and then put in $598, which made the final total $550.73

3 0
3 years ago
How much money does the average professional hockey fan spend on food at a single hockey​ game? That question was posed to 10 ra
Vinil7 [7]

Answer:

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

18-2.262\frac{2.75}{\sqrt{10}}=16.03    

18+2.262\frac{2.75}{\sqrt{10}}=19.97    

Step-by-step explanation:

Information given

\bar X=18 represent the sample mean

\mu population mean (variable of interest)

s=2.75 represent the sample standard deviation

n=10 represent the sample size  

Confidence interval

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

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

The degrees of freedom are given by:

df=n-1=10-1=9

The Confidence is 0.90 or 90%, the significance is \alpha=0.1 and \alpha/2 =0.05, and the critical vaue would be t_{\alpha/2}=2.262

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

18-2.262\frac{2.75}{\sqrt{10}}=16.03    

18+2.262\frac{2.75}{\sqrt{10}}=19.97    

5 0
3 years ago
Consider the graph of the linear equation 2x - 5y = 10.
jeyben [28]

Answer:

x-intercept= (5,0)

y-intercept= (0,-2)

Slope= 2/5

Step-by-step explanation:

7 0
3 years ago
Choose all options that apply. Which of the following are equal to 20%? | a) .25 b) 1/5 Oc) 1/10 d) .20
zloy xaker [14]

Answer:

b. and d.

Step-by-step explanation:

20 =  \frac{20}{100}  \\ 0.25  =  \frac{25}{100} \\  \frac{1}{5}  =  \frac{20}{100} \\  \frac{1}{10}  =  \frac{10}{100}  \\ 0.20 =  \frac{20}{100}

4 0
3 years ago
N+5n-3c PLS anyone I need this for my test And I need it right now pls
iVinArrow [24]

<em><u>Answer:</u></em>

I'm assuming this is a <em>combining like terms</em> question, in which case the answer would be 6n - 3c.

<u><em>Step-by-step explanation:</em></u>

I'm guessing your teacher wants you to combine the like terms, and 1n plus 5n = 6n, minus 3c is the answer, which is 6n - 3c. If your teacher wanted you to solve for each variable, you can't do that because you don't have enough information, and there's an infinite number of solutions.

<em>Hope this helps! Feel free to give me Brainliest if you feel this helped. Have a good day, and good luck on your test. :)</em>

7 0
3 years ago
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