likuhboss1234
likuhboss1234 likuhboss1234
  • 21-03-2018
  • Mathematics
contestada

how do you do this please help me

how do you do this please help me class=

Respuesta :

jndawg04 jndawg04
  • 21-03-2018
Perimeter is the sum of the sides.
4x + 6 +3x + 2 = 57
7x + 8 = 57
7x = 49
x = 7
Answer Link
frika
frika frika
  • 21-09-2018

The perimeter of a triangle is the sum of all sides' lengths.

Thus,

[tex]P=6+4x+(3x+2)=7x+8.[/tex]

Given [tex]P=57\ cm,[/tex] you get

[tex]7x+8=57,\\ \\7x=57-8,\\ \\7x=49,\\ \\x=\dfrac{49}{7},\\ \\x=7\ cm.[/tex]

Answer: x=7 cm.

Answer Link

Otras preguntas

BEST ANSWER GETS BRAINLYEST
In order to gain more rights, the plebs __________.
Use the compound interest formula,     . kelly opened a savings account with $500 she received at eighth grade graduation 4 years ago. the account pays 2.5 pe
In a jar, the ratio of jelly beans to lollipop is 5 to 2. If there are 120 jelly beans, how many lollipops are there
Reddit what were the reasons for the civil war
consider the table below x | y 0 | 3 1 | 6 2 | r what value r will make the table a representation of an exponential funct
can someone help me please
Triangle MOP has been rotated to create triangle M'O'P'. MP= M'P' = 2 units, MO = M'O' = 2 units, and OP=O'P'= 2.82 units. Which postulate or theorem below woul
What process copies a sequence of dna nucleotides into a complementary sequence of rna nucleotides?
A shipping container is in the shape of a right rectangular prism with a length of 10 feet, a width of 1.5 feet, and a height of 2.5 feet. the container is comp