sameakamou5wf8 sameakamou5wf8

04-08-2017
Mathematics

contestada

Devaughn's age is two times Sydney's age. The sum of their ages is 30

. What is Sydney's age?

Respuesta :

musiclover10045 musiclover10045

04-08-2017

D=2S

D+ S = 30

2s+S = 30

3S=30

S=30/3 = 10

Sydney is 10

Devaughn is 2*10 = 20

Answer Link

Otras preguntas

PLZZZZZZZZZ HELP THERE IS JUST THIS ONE AND IM STILL CONFUSED PLZZZ HELPPPP ME REAL QUICK ITS REALLY EASY

Why is it important that alveoli are only one cell layer thick?

Anyone know how to do 23 and 24? Help is appreciated!

Use Euler's formula to find the missing number. Vertices: 15 Edges: 24 Faces:? A. 9 B.10 C.11 D.12

Which expression is equivalent to the area of metal sheet required to make this square-shaped traffic sign? A square shaped traffic sign is shown with length of

The diameter of a circle is two times its radius. Which equation shows another way to represent the area of a circle?

What was the race for territory and influence on the the african continent called?

This is worth a lot of points please answer quick! Find the value of angle c. Explain/justify your steps. (please explain also)

Which nutrient is required for the formation of collagen?

((Will give brainliest)) 11.) This graphic shows how key positions in the executive and legislative branches of the Russian government are chosen. How is the