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

How did the Great Society programs affect housing in the United States? The rates for luxury housing increased. Discrimination practices in housing rose. The am

Tay-Sachs disease is prominent among African-Americans Italian-Americans Native Americans Jewish-Americans

Prions are proteins that act as an infectious agent. They cause a variety of diseases, including "mad cow" disease. Prions cannot produce more potions on their

Which best describes the purpose of the Electoral College in the United States? chooses the winner of an election if the popular vote is disputed reduces the nu

how does the water get to the leaves in the tops of the tallest trees against the force of gravity?

Which element is classified as a noble gas at STP? hydrogen oxygen neon nitrogen

Smaller cells have a(n) _________ surface area to volume ratio. a. larger b. smaller c. equal d. none of the above

can some1 help me with grade7s math?

What type of information is being presented by a scientist who has a reason for presenting information a certain way?

which organelle breaks down organelles that are no longer useful