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Amanda [17]
3 years ago
7

Select the correct solutions for the system of equations:

Mathematics
1 answer:
Elena L [17]3 years ago
4 0

Answer:

The answer are

(-2,0)

(-1,-10)

(0,-1)

Step-by-step explanation:

I believe these are all the right answers

Hope this helps and mark brainliest please :)

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I need help with this one to please
Degger [83]

Step-by-step explanation:

<h2>Hope my answer helps you hehe (/^▽^)/</h2>

4 0
3 years ago
Read 2 more answers
Sheree smith purchased a new SUV for $32,984. He received a $49.95 rebate from the manufacturer and a $38.95 rebate from the sto
Ad libitum [116K]

Answer:

33,072.9

Step-by-step explanation:

32,984+49.95+38.95

5 0
4 years ago
If f(1) = 12 and f(4) = -3, find the average rate of change off from 1 to 4.
sergey [27]

Compute the difference quotient:

(<em>f</em> (4) - <em>f</em> (1)) / (4 - 1) = (-3 - 12) / 3 = -15/3 = -5

6 0
3 years ago
The mean number of hours of part-time work per week for a sample of 317 teenagers is 29. If the margin of error for the populati
Shtirlitz [24]

Answer:

The degrees of freedom are given by:

df=n-1=317-1=316

And replaicing we got:

29-2.1=26.9    

29+2.1=31.1    

The 95% confidence interval would be between 26.9 and 31.1

Step-by-step explanation:

Information given

\bar X= 29 represent the sample mean

\mu population mean

s represent the sample standard deviation

ME= 2.1 represent the margin of error

n represent the sample size  

Solution

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

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

And this formula is equivalent to:

\bar X \pm ME[/te]xThe degrees of freedom are given by:[tex]df=n-1=317-1=316

And replaicing we got:

29-2.1=26.9    

29+2.1=31.1    

The 95% confidence interval would be between 26.9 and 31.1

7 0
4 years ago
What is the least common multiple of 8 and 10? Enter your answer in the box. _____
Vadim26 [7]

40 is the LCM,


Hope it helps ❤️

6 0
4 years ago
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