08-04-2015
Mathematics

contestada

Simplify this expression for x=2 and y=4.
(Y+10x) divided by 8+ y2 -5

Respuesta :

08-04-2015

(y + 10x)/(8 + y^2 - 5)

(4 + 10(2))/(8 + 4^2 - 5)

Simplify the top.

Multiply:

(4 + 20)/(8 + 4^2 - 5)

Add:

24/(8 + 4^2 -5 )

Simplify the exponent:

24/(8 + 16 - 5)

Add:

24/(24 - 5)

Subtract:

24/19

Convert to whole number:

1 5/19

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