Frostbite550 Frostbite550
  • 25-08-2021
  • Mathematics
contestada

the equilateral triangle and the rectangle have the same perimeter.
triangle: 2.5x + 10. rectangle: x +12 + 8x

what is the value of x?
what is the perimeter of the rectangle?

Respuesta :

anasweeney43 anasweeney43
  • 30-08-2021

Answer: x = - 4/13

Step-by-step explanation:

2.5x+10=x+12+8x

10-12 = x+8x-2.5x

-2 = 6.5x

x = -4/13

Answer Link

Otras preguntas

what is the arc of technology it can't be a brand or app
can u help me with this problem?
If you needed information from someone, what type of sentence would you most likely use?        A. Imperative   B. Exclamatory   C. Declarative   D. In
1) (x-3)(x+3) = ? 2) 3x^2 - y) (3x^2+y)
write a word phrase for 49+m
search for the variable 7/28 equals 25/x
A digit is in the hundreds place. The digit is moved so that it's value is 10 times greater. To which place did the did you move?
how to do a benmark for 47 round to the nearest 100
Use the Distributive Property to find the price of 9 CDs that cost $13.99 each.
thomas is about ready to leave his basketball game and can't seem to find his keys. how could thomas use the steps of the scientific method to locate his missi