Yes your answer is solved correctly
        
             
        
        
        
Answer:

Step-by-step explanation:
Given
Represent Boys with B and Girls with G


Required
Find the probability or having 1 boy 2 girls
Since the order is not important, the probability is calculated as follows;

Substitute 
 for P(B) and P(G)



<em>Hence, the fractional probability is </em>
<em></em>
<em></em>
 
        
             
        
        
        
Answer:  [H+] = 10^-7.2
Step-by-step explanation:
Given that the PH of the solution = 7.2
Using the formula pH = –log[H+]. To get the H+ concentration from the pH, raise both sides by the base of 10. Then we have
10^ -pH = H+. with pH of 7.2,
 Thus the answer to this problem is 
[H+] = 10^-7.2
 
        
             
        
        
        
Answer:
7 notepads
Step-by-step explanation:
5 + 3x = 26
Subtract constant (5)
3x = 21
Divide by coefficient (3)
x=7
 
        
                    
             
        
        
        
Answer:
0.61
Step-by-step explanation: