jaidakiss79
jaidakiss79 jaidakiss79
  • 21-04-2022
  • Mathematics
contestada

A triangle has a perimeter of 51 cm. If the three sides of the triangle are n, 4n-4, and 4n-8, what is the length of each side?

Respuesta :

uxleumas
uxleumas uxleumas
  • 24-04-2022

Answer:

7,24,20

Step-by-step explanation:

The perimeter is simply the lengths of the sides, added up
n+4n-4+4n-8=9n-12=51 cm
9n=51+12
9n=63
n=7

plug in 7 for n to get:
7,4*7-4,4*7-8
or
7,24,20

Answer Link

Otras preguntas

Find the lengths of two segments whose sum is 45 and whose ratio is 2:3
Anderson and his lab partner each held a tuning fork, 4440 Hz, in their hands. Anderson tapped his tuning fork with a mallet and they listened to the sound it m
List two or three pairs of contrasts that describe ancient Egypt
Exaggeration or misinformation is used in the propaganda technique of appealing to emotion.
wilson has $3,000 I'm the bank account . ms nelson has 10 times as much money in her bank account as mr willson has in his bank account how much money does ms
If x and y are both negative, when is x-y positive?
The Jurassic zoo charges $12 for each adult admission and $7 for each child. The total bill for 129 people was $1088. How many adults and how many children?
if one Ray contains another Ray, are they the same?
Which scenario best exhibits the relationship between frustration and aggression A. Bob yelled at his kids after his boss blamed him when the company lost its
How do I write the equations of lines through the given point parallel to the given line and perpendicular to the given line?