kimmyrndznatycath kimmyrndznatycath

16-03-2017
Mathematics

contestada

The difference of two numbers is 12. the larger number is one less than twice the smaller number. find the two numbers.

Respuesta :

rarrininger rarrininger

16-03-2017

x-y=12
x-1=2y
x-1/2=2y/2
y=1/2x-1/2

x-y=12
x-(1/2x-1/2)=12
x-1/2x+1/2=12
1/2x+1/2-1/2=12-1/2
1/2x÷1/2=11 1/2÷1/2
x=23

x-y=12
23-y=12
23-23-y=12-23
-y=-11
y=11

Check
23-1=2(11)
22=22

Answer Link

Otras preguntas

Which of the following phases has a variable volume? Solid Liquid Gas All of the above

Is 5,9,15 an arithmetic sequence? Explain

an easy way to reduce calorie intake during the week

A scientist is looking for a solution that is neither acidic nor basic.. . . . Which pH would identify a solution as neither acidic nor basic?. . . . A.. 14.

Why did the Allies invade Europe from the Mediterranean in 1943?

Who shall have the power to \"be Commander in Chief of the Army and Navy of the United States, and of the Militia of the several States,\" according to the U.S.

Through how many radians will the hour hand on a clock rotate in 48 hours?

(6r^7s^8)^3 cube as a monomial

In a random sample of 50 undergraduate students at a college, it was found that 44 students regularly access social networking websites from their college libra

Which of the following is the correct definition for the word nuance?