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Kryger [21]
3 years ago
11

The sum of twice a number and 42 is 126 what is the number

Mathematics
2 answers:
Akimi4 [234]3 years ago
8 0
Let n = number

2n + 42 = 126
2n = 84
n = 42

Your number is 42. 
mihalych1998 [28]3 years ago
4 0
2x+42=126
2x=126-42
2x= 84
x= 84/2
x=42

Number should be 42.
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Martin is using unit cubes to build a tower in the shape of a rectangular prism. A decripion of the tower is listed the bottom l
leva [86]

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Volume of the completes tower = 160 units³

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Martin is using unit cubes to build a tower in the shape of rectangular prism.

Bottom layer of the prism is in the square shape.

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