betsy81 betsy81
  • 21-06-2017
  • Mathematics
contestada

If the perimeter of the following triangle is 7x-2, what is the length of the unknown side?

If the perimeter of the following triangle is 7x2 what is the length of the unknown side class=

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 21-06-2017

perimeter = s+s+s

 so 7x-2 = (3x-9) + (x+7) + ?


3x-9 + x+7 = 4x-2

7x-2 - 4x-2 = 3x


remaining side is 3x

Answer Link
Аноним Аноним
  • 21-06-2017
 unknown side = 7x-2 - (3x - 9 + x + 7)
 unknown side = 7x - 2 -3x + 9 -x - 7
 unknown side = = 3x 

answer

 unknown side = 3x
Answer Link

Otras preguntas

How does dividing mixed numbers compare with dividing fractions
Does the statement "3x8 = 4x6" illustrate the communtative property of multipulcation
Desertification only occurs when trees are cut down faster than new ones grow (true) or (false)
where are cabinet members drawn from
640 times 3 is what can someone help me in this problem
What is turgor pressure
what the answer for number 9 ??
Consider the function f(x) = the quantity x squared minus x minus 12 all over the quantity x plus 3. Describe the graph of this function. Include all discontinu
What is 7/8 as a percent and fraction
What statement is an inference about the odyssey ? A-other epic attributed to Homer is the lliad,in which Odysseus is also a character B-Odysseus behavior demo