briannalane120 briannalane120

06-04-2017
Mathematics

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Help me please I need an an answer asap

Help me please I need an an answer asap class=

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jackmac1 jackmac1

06-04-2017

(2/5)k + (1/10)k = (1/2)k - 1
0.4k + 0.1k = 0.5k - 1
We need to solve for k.

Subtract 0.4k from both sides
0.4k - 0.4k + 0.1k = 0.5k - 0.4k - 1
0.1k = 0.1k - 1

Subtract 0.1k from both sides:
0.1k - 0.1k = 0.1k - 0.1k - 1
0 = -1

Impossible. The equation has no solution.

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