ljaida782 ljaida782
  • 25-08-2021
  • Mathematics
contestada

angle abc and dcb make a linear pair. of abc=2x+9 and dbc=10x+15,find x

Respuesta :

jimrgrant1 jimrgrant1
  • 25-08-2021

Answer:

x = 13

Step-by-step explanation:

A linear pair of angles sum to 180° , then

2x + 9 + 10x + 15 = 180 , that is

12x + 24 = 180 ( subtract 24 from both sides )

12x = 156 ( divide both sides by 12 )

x = 13

Answer Link

Otras preguntas

to find the product 3/7x4/9 ,Cameron simplified 3/7 to 1/7 and then multiplied the fractions 1/7 and 4/9 to find the product 4/63. What is Cameron's error?"
The visit of an influential nuclear physicist to a population symposium in 1979 led to A. the election of Deng Xiaoping in China. B. the one-child policy in
What is the answer to this equation, p - 1.34 = -11.8
What are two jobs of the cell membrane?
balance the equation αC6H14(g)+βO2(g)→γCO2(g)+δH2O(g)
Why is the energy transfer in a food web inefficient?
How did the event that happened during America's colonial and revolutionary period influence the shape of American democracy?
A square and rectangle have the same area. The length of the rectangle is five inches more than twice the length of the side of the square. The width of the rec
what is 54 divided 6 equal blank times 3
6. Under the English Westminster model, the highest court of appeals is?