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Which is the best estimate of x based on rounding the constants and coefficients in the equation to the nearest integer?


3.1x + 5.2 = 9.9









A.

1.3








B.

1.5








C.

1.6








D.

1.7

Sagot :

Luanaidn
[tex]3,1x+5,2=9,9\ \ \ \ | subtract\ 5,2\\\\ 3,1x=4,7\ \ \ \ | divide\ by\ 3,1\\\\ x=1,5\\\\ Answer\ is\ B.[/tex]
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