bealhomeschool bealhomeschool
  • 01-03-2017
  • Mathematics
contestada

What is the value of 5a+2(a+b)5a+2(a+b) when a = 4 and b = 2?

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safa123 safa123
  • 01-03-2017
5(4)+2(4+2)5(4)+2(4+2)
20+8+4+20+8+4
32+20+12
52+12
64
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cetnarowski cetnarowski
  • 01-03-2017
The answer is 276. 5x4+2(4+2)x5x4+2(4x2) = 276. 
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