turtneyjecupchoeb turtneyjecupchoeb

01-08-2016
Mathematics

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what is the value of x in the equation 4x 8y = 40, when y = 0.8?4.68.41012

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Architechtor Architechtor

01-08-2016

if you make 8 times 0.8 (because there is 8y so that means is there is eight 0.8), 8 times 0.8 is 6.4. so 40 minus 6.4 equals to 33.6. so there is 4x. 33.6 divide 4 is 8.4.

x = 8.4

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