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astra-53 [7]
3 years ago
10

The results for a survey of 120 students who were selected randomly are listed below:60 students have a cell phone plan with com

pany x36 students have a cell phone plan with company y24 students do not have a cell phonethe total population of students was 380. based on the data, what is the best approximation for the total amount of students who have a cell phone plan with company y?a 114b 127c 143d 163
Mathematics
2 answers:
snow_tiger [21]3 years ago
8 0
Your answer should be D, 163, hope this helps! :D
hram777 [196]3 years ago
5 0

D 163

Step-by-step explanation:

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I dont know what to do for tis
kap26 [50]

Answer:

is this by any chance about simultaneous equations? If so,

Step-by-step explanation:

Step 1 is telling us to decide on whether x and y should be the unknown. For instance, you want x to be the unknown, so u solve for x.

Step 2 is telling us to write equations with x and y.

For example,

7x + 5y = 12

7x - 2y = 9

This may not be accurate but it is an equation.

Step 4 is telling us to check whether the solution is accurate or not. For instance, we say 7 is x. so we substitude 7 into the original equation to see whether the answer we found is correct.

For step 5, im not really sure.

hope this helps though???

5 0
2 years ago
Find the distance between each pair of points.
antoniya [11.8K]

Answer:

Between each pair of points are coordinates K(x1,y1) F(x2, y2)

Distance KF =sqrt( (x2 - x1) ² + (y2 - y1) ²)

Step-by-step explanation:

4 0
3 years ago
PLEASE HELP ASAP! Will give BRAINLIEST! Please answer correctly!<br><br><br>No guessing!
devlian [24]

Answer:

c.) 4 x (2)^x

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
|×|=×<br>is the absolute value of x always, sometimes, or never x​
il63 [147K]

Answer:

Sometimes

Step-by-step explanation:

I’ll give you an example so you can understand:

Let’s say x is 4. So plug 4 into the problem:

|4|=4  →  This is a very true statement, where the absolute value of 4 is equal to 4.

Now, let’s say x is -7. So plug -7 into the problem:

|-7|=-7  →  This is a false statement because it’s saying that the absolute value of -7 is -7 which is very untrue.

So |x|=x only works for positive numbers, but not negative numbers. Therefore, |x|=x is the absolute value of x <u>sometimes.</u>

<u />

Hope this helps and answers your question! :)

6 0
3 years ago
Find the measure of angle A.<br> A<br> 7x-1<br> 12x<br> 489
Degger [83]

Answer:

48 degrees

Step-by-step explanation:

7X-1+12x+48=180

19x+47=180

19x=133

x=7

7(7)-1=A

49-1=A

48=A

A is 48 degrees

7 0
3 years ago
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