Answer:
- 1.6 days (1 3/5 for simplified form).
Step-by-step explanation:
<u>Given equation:</u>
<u>We know that a box survives 1/5 a day.</u>
<u>It will survive 1 3/5 a day in 8 boxes.</u>
 
        
             
        
        
        
Answer: 462
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
67.029 cm ³
Step-by-step explanation:
Volume of cone = ¹/³ πr²h
π= 3.142 , r = diameter /2 so r =2cm , height (h) = 16cm 
so V = ¹/³ π x (4) x 16
 V = 62.029cm³
 
        
             
        
        
        
Answer:
(13/2,7/2)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
y=-2x+80
Step-by-step explanation:
40=(-2*20)+b
40=-40+b
80=b
y=(-2*20)+80
y=-40+80
y=40