brannatalaNiestine brannatalaNiestine

09-04-2017
Mathematics

contestada

One number is 1/2 of another number. The sum of the two numbers is 21. Find the two numbers. Use a comma to separate your answers

Respuesta :

dantabluecheese dantabluecheese

11-04-2017

2x=y
x+y=21
x+2x=21
3x=21
x=7
y=2x
y=14

Answer Link

Otras preguntas

What does unsaturated zone mean?

Please answer will give brainliest if correct.

All rules of exponents put in one problem, and answer. (2 examples please) The rules are product rule, quotient rule, power rule, negative rule, power of a prod

Read the excerpt from Matilda by Roald Dahl. "I . . . I . . . I simply put the fourteen down in my head and multiply it by nineteen," Matilda said. "I'm afraid

2. How much time will it take to move 120 m if an object moves 300 m/s?

In 2-3 paragraphs explain how economic, political, religious, and societal beliefs of the period 1800-1860 fueled the expansion of the U.S.?

make a sentence using the words The U.S. and Postal Service which are correctly capitalized

Can someone please help me?

Describe two of the key continental congress members.

should i dye my hair like charli damelios new hair pink, but the pink red and blonde instead of brown?