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Bas_tet [7]
3 years ago
14

Bob gets 3n+2=20 as the final row of his magic number puzzle table. what was his starting number?

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
6 0
3n+2=20
     -2   -2
3n=18
divide by 3 
n=6
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2 years ago
A trapezoid has an area of 13.5 square inches. If the bases are 3 and 6 inches what is the height?
liraira [26]
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2 years ago
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
Svetllana [295]
Hello,

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3 0
3 years ago
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Slav-nsk [51]

Answer:

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3 0
2 years ago
Please help answer these
BabaBlast [244]
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2- for two hours ------> four inches of snow 
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the equation is 
2/4 = x/ y 

x= 2y / 4 
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exercice 2
5 gr granula ----------------------> 1750 calories 
2 gr granula ----------------------> n ?? calories 

by cross multiplication 
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2-
she wants to eat 175 calories so 
u put granula under granula  and calories under calories to make this cross 

<span>5 gr granula ----------------------> 1750 calories 
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<span>by cross multiplication </span>
m = 175 x 5 / 1750 =  0.5 gr of granula 
8 0
3 years ago
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