Answer:
False
Step-by-step explanation:
The surface area of the cone is




The surface area of the cylinder is:



 
        
             
        
        
        
Answer:
Step-by-step explanation:
a). Ratio of OP and RT = 
                                      = 
                                      = 
b). Since ΔOPQ ~ ΔRTS, their corresponding sides will be proportional.
     
     
     OQ = 
     OQ = 15 cm
c). m∠P = m∠T = 60°
d). m∠Q = m∠S
     By applying angle sum theorem in ΔRST,
     m∠R + m∠S + m∠T = 180°
     26° + m∠S + 60° = 180°
     m∠S = 180° - 86°
              = 94°
     Therefore, m∠Q = m∠S = 94°
 
        
             
        
        
        
Chris walked the dog for 80 minutes or 1 hour and 20 minutes
        
                    
             
        
        
        
Answer:
Equivalent expression of  is,
 is, 
Step-by-step explanation:
The distributive property says that: 

Given the expression: 
Apply the distributive property:

Simplify:

Therefore, the equivalent expression of  is,
 is, 
 
        
                    
             
        
        
        
Answer:
24% saline
Step-by-step explanation:
Find how much saline is in both solutions:
7(0.27)
= 1.89
3(0.17)
= 0.51
Add this together:
1.89 + 0.51
= 2.4
Since there are 10 quarts in total, the concentration of the mixture can be found by dividing 2.4 by 10:
2.4/10
= 0.24
So, the concentration of the mixture is 24% saline