omardaabes76 omardaabes76
  • 23-08-2018
  • Mathematics
contestada

The sides of a triangle are x, x+7, and 2x-8. If the perimeter of the triangle is 47, what is x

Respuesta :

jdoe0001 jdoe0001
  • 23-08-2018

just like the previous one, we sum the sides to get the perimeter.


[tex] \bf (x)+(x+7)+(2x-8)=47\implies 4x-1=47\implies 4x=48\\\\\\x=\cfrac{48}{4}\implies x=12 [/tex]

Answer Link

Otras preguntas

2x plus 8 equals 14 minus x
Prime factorization for 525 in expanded form
In 1787, when the Constitution was written, the United States was a nation of only 13 states and fewer than 4 million people. True or False
how did overseas expansion lead the world war 1
which equation represents the line whose slope is 2 and whose y-intercept is 6
What two long-term trends mark the expansion of the American electorate?
Is it enough to be “suspected” of terrorism, or should theses suspects have the right to a fair trial being detained indefinitely?
What is 15 divided by 390
2. Suppose Briscoe Cole is found not guilty of murder in a fair jury trial. Later, evidence comes to light that Briscoe may have been guilty. Under the _______
6) Congressional apportionment has MOST to do with A) giving political power to voters. B) determining funding for the counties. C) making sure taxes are collec