Answer:
15 km
Step-by-step explanation:
9:30 to 12:00 = 2.5 hours
2.5 x 6 = 15
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
arc BE is the same as the interior angle, or 76°
BE = 76 °
we can also find arc CE the same way,  b/c we can see that the interior angle is the suppment with 76  or   180-76 = CE  or 104°
Now we know all the arcs but arc CD
so use the idea that all the way around the circle is 360°
360 = 76 + 104 + 140 + CD
360 - 76 - 104 - 140 = CD
40 = CD
CD = 40 °
 
        
             
        
        
        
![y = mx+b\\\\[m is the slope, b is the y-intercept]\\\\y=\frac{2}{3}x+5\\](https://tex.z-dn.net/?f=y%20%3D%20mx%2Bb%5C%5C%5C%5C%5Bm%20is%20the%20slope%2C%20b%20is%20the%20y-intercept%5D%5C%5C%5C%5Cy%3D%5Cfrac%7B2%7D%7B3%7Dx%2B5%5C%5C)
That means 2/3 is the slope and 5 is the y-intercept.
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Answer:
The 95% margin of error for this estimate is 0.0274 = 2.74 percentage points.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of 
, and a confidence level of 
, we have the following confidence interval of proportions.

In which
z is the zscore that has a pvalue of 
.
The margin of error is:

95% confidence level
So 
, z is the value of Z that has a pvalue of 
, so 
.
72% of Americans said that they had at least one credit card
This means that 
Give the 95% margin of error for this estimate.


The 95% margin of error for this estimate is 0.0274 = 2.74 percentage points.
 
        
             
        
        
        
Answer:
A. 6c = t 
Step-by-step explanation:
- 6 c- chairs for each table.
 
- for example 
 - 3 table, so 6 chairs for each table 3 * 6 = 18. 
 
2. 18 chairs for 3 tables.