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15-03-2018
Mathematics

contestada

What is the value of x in the equation 4x+8y=40,when y=0.8?

4.6

8.4

10

12

Respuesta :

musiclover10045 musiclover10045

15-03-2018

4x +8(0.8) = 40
4x + 6.4 = 40

4x = 33.6

x = 33.6/4

x = 8.4

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DrippyQveen DrippyQveen

10-09-2018

the answer is x=8.4 which is the letter b

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