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Vesnalui [34]
3 years ago
9

Step 1: A poll of 1500 college students were asked whether or not they had used the Internet to find a place to live sometime wi

thin the past year. There were 1234 students who answered Yes; the other 266 answered No. What is n? Choose the correct answer; ( n is the sample size):
Mathematics
1 answer:
trapecia [35]3 years ago
5 0

Answer:

n = 1500

Step-by-step explanation:

The sample size is the number of students  that were asked

n = 1500

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Helpppppp please !!?
ch4aika [34]
Please refer to my image where it shows my work as I’m explaining.

Okay, for system 1:

1. I am using the elimination method to solve. So I check if all the terms are lined up and if any are the same. I found that 2X are common in both equations.

2. The goal is to “eliminate” the term hence the name. So I can choose to add or subtract. I chose subtraction because 2 - 2 equals 0 which is our goal. Solve for the rest of the terms. This will lead to getting y =4. Refer to image for the work.

3. Last step to to find the X value. We do this by picking any of the given equations,then substitute y with 4 and solve to eventually get x = 10. Refer to image for the work.

FOR SYSTEM 2:

1. Again, I am using the elimination method to solve. I noticed that NONE of the terms are in common so I will have to intervene. You can chose any term to create a match with but I chose Y since it was the one I could use the smallest number to multiply with. When multiplying, DONT just multiply Y, multiply ALL the terms in the equation or else everything will crash.

2. Now that I have terms in common I can choose to add or subtract. I chose subtraction because 2-2 equals zero which is what we want. Solve look at image for my process which lead to X = -8

3. Last step is to find the value of Y. Chose any of the given equations in system 2 then substitute x with -8. Refer to image to see process. It lead to y = 20


To check the validity of the answers, substitute the x and y values into both equations both side of the equal side should have the same number. Hope that helped!

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3 years ago
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Dmitry_Shevchenko [17]
The answer is A because the two points have the same value. Then it would not pass the state of the line test. your answer is A
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Consider the lines y=8x+1, y=-8x+1 and y=2x+1. How are these lines the same, if at all? How do their slopes compare? Is there a
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Answer: the answer is blue

Step-by-step explanation:

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Answer:

e

Step-by-step explanation:

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3 years ago
A local newspaper said that the city of Luttrell is expected to grow by 10% each year. The population in 2012 is 130,457 people.
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Answer:

yes becvaib it is

Step-by-step explanation:

yes 0

6 0
3 years ago
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