hannahgellaretta
hannahgellaretta hannahgellaretta
  • 12-11-2018
  • Mathematics
contestada

Pleaseeeeee help !!

Part A: Solve −vp + 40 < 95 for v. Show your work

Part B: Solve 8w − 3r = 45 for r. Show your work.

Respuesta :

gmany
gmany gmany
  • 12-11-2018

[tex]A.\\-vp+40 < 95\qquad\text{subtract 40 from both sides}\\\\-vp < 55\qquad\text{change the signs}\\\\vp > -55\qquad\text{divide both sides by p}\\\\If\ p > 0\ then\ v>-\dfrac{55}{p}.\\\\If\ p < 0\ then\ v < -\dfrac{55}{p}[/tex]

[tex]B>\\8w-3r=45\qquad\text{subtract 8 from both sides}\\\\-3r=-8w+45\qquad\text{change the signs}\\\\3r=8w-45\qquad\text{divie both sides by 3}\\\\r=\dfrac{8w-45}{3}[/tex]

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