Answer: 40 cm ^2
Step-by-step explanation:
cuz math
 
        
                    
             
        
        
        
(104+137+154+131+x) / 5 = 130
The calculation part I would like to leave it for you. It's a good practice.
        
             
        
        
        
Answer: #3 is B. give me a second and i'll try to do #4
Step-by-step explanation:
 
        
             
        
        
        
9514 1404 393
Answer:
   b.  They are at a speed of 30 mph when time begins.
Step-by-step explanation:
The y-axis represents time zero, when time begins. The curve intercepts the y-axis at y=30. Y-values on the graph represent speed in miles per hour (mph), so a y-value of 30 at the point on the y-axis represents ...
   a speed of 30 mph when time begins
 
        
             
        
        
        
Answer:
0.042
Step-by-step explanation:
Given :
p = 16% = 0.16
q = 1 - p = 1 - 0.16 = 0.84
Sample size, n = 75
The standard deviation of sampling distribution :
√(pq)/n
√(0.16 * 0.84) / 75
√0.1344 / 75
√0.001792
Standard deviation of sampling distribution = 0.0423320