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Q: What does 3x7 equal?

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21

y = -1/(3x7 + 2x - 9)y = -(3x7 + 2x - 9)-1y' = -(-1)(3x7 + 2x - 9)-2(3x7 + 2x - 9)'y' = (3x7 + 2x - 9)-2(21x6 + 2)y' = (21x6 + 2)/(3x7 + 2x - 9)2

21

if you do 3x7 and you need to get 6x7 then just do it 2 times

-21

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21

y = -1/(3x7 + 2x - 9)y = -(3x7 + 2x - 9)-1y' = -(-1)(3x7 + 2x - 9)-2(3x7 + 2x - 9)'y' = (3x7 + 2x - 9)-2(21x6 + 2)y' = (21x6 + 2)/(3x7 + 2x - 9)2

21

if you do 3x7 and you need to get 6x7 then just do it 2 times

21 feet long because 3 feet is in a yard so 3x7 is 21.

3x7

3x7

133

-21

41

2x7 = 14 x7 = 7 3x7 = 3*7 = 21

3(7 + 2) = 3x7 + 3x2 is an example of the distributive law.The distributive law connects multiplication and addition.

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