thienbillion123 thienbillion123

25-04-2020
Mathematics

contestada

The sum of two numbers is 30, while their difference is 6. Find the two numbers.
(Its, not 12 or 18)

Respuesta :

Аноним Аноним

01-02-2022

Let it be x and y

[tex]\\ \tt\hookrightarrow x+y=30\dots(1)[/tex]

[tex]\\ \tt\hookrightarrow x-y=6\dots(2)[/tex]

Now

Add both equations

[tex]\\ \tt\hookrightarrow 2x=36\implies x=18[/tex]

Put in eq(2)

[tex]\\ \tt\hookrightarrow 18-y=6\implies y=12[/tex]

Answer Link

Otras preguntas

Order from greatest to least Sqare root of 12-1, 5/2, 2.25, 1+ 3.14/2

writing system that uses symbols or pictures to denote objects, concepts, or sounds originally and especially in the writing system of ancient Egypt

what sea touches Hong Kong

Logan made a treasure hunt map. The treasure map is 25 cm away from his location. If each 1 cm on the scale drawing equals 5 meters, then how far is he from his

What is the greatest common factor of 84 and 196 and 140

How do you solve: 3/4n-18=1/4n-4

is the square root of gravity equal to pi ?

what number is 1,000,000 greater than 337,676

there were 15 cars and 25 trucks in the parking garage. what is the ratio of cars to total vehicles

Two functions are defined as: f(x)= (1/(-5x+19))+5 g(x)= (1/(10x-3)) Find fg(x) Simplify your answer into the form (ax+b)/(cx+d) where a,b,c,d, are numbers to