Answer:
<u>It</u><u> </u><u>is</u><u> </u><u>(</u><u>x</u><u> </u><u>-</u><u> </u><u>3</u><u>)</u><u>³</u><u> </u><u>-</u><u> </u><u>9</u><u>x</u><u>(</u><u>3</u><u> </u><u>-</u><u> </u><u>x</u><u>)</u>
Step-by-step explanation:
Express 27 in terms of cubes, 27 = 3³:

From trinomial expansion:

open first two brackets to get a quadratic equation:

expand further:

take y to be 3, then substitute:

 
        
             
        
        
        
Answer:
52 sq un
Step-by-step explanation:
 
        
             
        
        
        
Answer:
8
Step-by-step explanation:
Nth term of a geometric sequence is given as:
 ...(1)
 ...(1)
Plugging n = 9, a = 3 and r = 2 in the above equation, we find:

 ... (2)
... (2)
Comparing equations (1) & (2), we obtan:
(n - 1) = 8
 
        
             
        
        
        
It should be $4 sorry if it is wrongbut i pretty sure that is he answer
        
                    
             
        
        
        
Answer:
28 minutes
Step-by-step explanation:
500 ÷ 18 = 27.77777777777778
Round the 27.7 to 28.