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word problems are a bit hard for me can you pls help

 Feb 24, 2018
 #1
avatar+557 
+3

5) 42 * 6.5 = 273 new perimeter

 

winkwinkwink

 Feb 24, 2018
 #2
avatar+557 
+3

7) 3 : 2

3^3 : 2^3

9 : 6

 

winkwinkwink

 Feb 24, 2018
edited by lynx7  Feb 24, 2018
 #3
avatar+557 
+3

6) 45cm^2 * 2 = 90cm^2 new area

 

winkwinkwink

 Feb 24, 2018
 #4
avatar+557 
+3

4) volume of sphere: 4/3 * 3.14 * 10^3

volume of sphere: 4/3 * 3.14 * 1000

volume of sphere: 4186.67

 

winkwinkwink

 Feb 24, 2018

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