Kazley2113 Kazley2113
  • 23-01-2018
  • Mathematics
contestada

The sum of two numbers is 45 and there difference is 5 what are the two numbers?

Respuesta :

anchitthawi
anchitthawi anchitthawi
  • 25-01-2018
a+b= 45 ----(1)
a-b= 5 ----(2)

(1)+(2) 2a=50
then a= 25
so b=45-25= 20

so that the two numbers are 20 and 25
Answer Link

Otras preguntas

Why do people need to develop alternative sources of renewable energy and become less dependent on fossil fuels?
I’ll put you as brainliest! An 8.5liter helium balloon sits inside a larger container. The temperature remains constant, and the pressure in the larger contai
6. What effects will the different types of lighting produce on mountains?
Suppose that the speedometer of a truck is set to read the linear speed of the truck, but uses a device that actually measures the angular speed of the tires. I
Read this passage from "The Read Story Behind the Discovery of Titanic's Watery Grave"Ballard and his crew erupted with cheers and applause. Someoneopened a bot
Two quantities of a data set have a strong positive correlation. Can the line of best fit for the data set have a correlation coefficient of 0.25 ?
At a particular temperature, 12.6 mol of SO3 is placed into a 4.0-L rigid container, and the SO3 dissociates by the reaction given below. 2 SO3(g) equilibrium r
What were the eastern western and north boundaries of Egyptian settlement
please help me solve this problem!!
100 POINTS PLEASE HELP ASAP!!!! Read the paragraph below about breathing while swimming. Make sure to exhale all air underwater before rotating to take a brea