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san4es73 [151]
4 years ago
9

Help!!! Does this graph represent a function?

Mathematics
2 answers:
MrRissso [65]4 years ago
8 0
No. Use the line rule. If through out any place you draw a verticals line and it goes through twice, It is not a function.
Cerrena [4.2K]4 years ago
5 0
No because of how the slope is
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What are the coordinates of the point on the directed line segment from (-6, -5) to
Drupady [299]

Answer: In the attachment, solved for 15 minutes. Hope that helps!!

3 0
3 years ago
Need help please and if there is a remainder you need to round to the nearest tenth
jarptica [38.1K]

Solving:

when you divide, you get this number: 1.56775

You have been asked to round to the tenth.

The tenth is one place right of the decimal. (currently a 5)

Look at the next place to the right. Since it is 6, we round up the tenth place by one. So our 5 in the tenth place becomes 6 (because the next digit was greater than 4)

1.6 is the final result

4 0
3 years ago
According to the website www.collegedrinkingprevention.gov, "About 25 percent of college students report academic consequences o
astraxan [27]

Answer:

The required confidence interval is (3.068,4.732)

Step-by-step explanation:

Consider the provided information.

He plans to use a 90% confidence interval. He surveys a random sample of 50 students. The sample mean is 3.90 alcoholic drinks per week. The sample standard deviation is 3.51 drinks and wants to construct 90% confidence interval.

Thus, n=50, \bar x=3.90 σ=3.51

Now find degree of freedom.

df=n-1\\df=50-1=49

The confidence level is 90% and df=49

Therefore,

\frac{\alpha}{2} =\frac{1-0.90}{2}

\frac{\alpha}{2} =0.05

Now by using t distribution table look at 49 df and  alpha level on 0.05.

t_{\frac{\alpha}{2}} = 1.67653

Calculate SE as shown:

SE=\frac{\sigma}{\sqrt{50} }

SE=\frac{3.51}{\sqrt{50}}=0.4964

Now multiply 1.67653 with 0.4964

Therefore, the marginal error is: 1.67653 × 0.4964≈ 0.832

Now add and subtract this value in given mean to find the confidence interval.

\bar x-E

Hence, the required confidence interval is (3.068,4.732)

4 0
3 years ago
Is -451 in the sequence below?<br> 15,7,-1,-9,,-17..
Andrews [41]

Answer:

No, the closest to -451 in the sequence is -429

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Solve the equation using the quadratic formula.<br> 4x2 – 12x +33 = 0
mixer [17]

Answer:

4x2–12x+33=0

Resta 4x  

2

​

 en los dos lados. Cualquier valor restado de cero da como resultado su valor negativo.

−12x+33=−4x  

2

​

 

Resta 33 en los dos lados.

−12x=−4x  

2

​

−33

Divide los dos lados por −12.

−12

−12x

​

=  

−12

−4x  

2

​

−33

​

 

Al dividir por −12, se deshace la multiplicación por −12.

x=  

−12

−4x  

2

​

−33

​

 

Divide −4x  

2

​

−33 por −12.

x=  

3

x  

2

​

 

​

+  

4

11

​

 

Resolver para x_2

x  

2

​

=3x−  

4

33

​

Step-by-step explanation:

8 0
3 years ago
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