aylabarling
aylabarling aylabarling
  • 01-10-2020
  • Mathematics
contestada

4. The side lengths of a triangle are x, x – 9, and 2x + 3. If the perimeter of the triangle is 46 cm, what is the value of x?
HELPPP

Respuesta :

swan85 swan85
  • 01-10-2020

Answer:

x=13

Step-by-step explanation:

perimeter equals the sum of sides of triangle

perimeter= x+x-9+2x+3

46=4x-6

46+6=4x

4x=52

x=52/4

x=13

Answer Link

Otras preguntas

please help Which sentence supports the fact that we always see the same side of the Moon? The Moon takes about four weeks to rotate once on its axis and about
How was the world after God created it? The condition of the World?
I NEED HELP ASAP PLS
Your family is going to drive to your grandma's house for Christmas dinner. You set the car's odometer to 0 before you leave. When you arrive, the odometer read
Collect like terms/equations 1. -3x+5-6x 2. 21+4a-13 3. 21+4a-13 4. 15-10b+6b=-5 5. -20=4c+30-2c
question 12) Item 12 From which country is the nationalistic composer Charles Ives? England United States France Finland
What are some good reasons to plant trees?(Worth 20 points)
What is ur Favorite Musical Artist
a 12 letter word for a force that holds particles together in the atomic nucleus?
Emotional elevation generally decreases acts of altruism. T or f