Answer:
8
Step-by-step explanation:
 
        
             
        
        
        
Answer:
The area of the label is 
Step-by-step explanation:
step 1
Find the radius
we know that
The volume of the cylinder (can of tuna) is equal to

In this problem we have


substitute and solve for r

Simplify



step 2
<em>Find the lateral area of the can</em>
The lateral area of the cylinder (can of tuna) is equal to

we have



 
        
             
        
        
        
Answer:
True
Step-by-step explanation:
- They both have a 90 degree angle
- 90+38=128
- 180-128=52
- The triangles are similar by AAA(Angle Angle Angle)
 
        
             
        
        
        
9514 1404 393
Answer:
Step-by-step explanation:
The equation for the total number of cases is ...
   x + y = 20
The equation for the total cost of the cases is ...
   20x +30y = 450
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<em>Additional comment</em>
The solution to these equations is (x, y) = (15, 5).