Seudónimo Seudónimo

03-04-2017
Mathematics

contestada

PLEASE HELP ME! 20POINTS!

Simplify: 9(a + b) + 4(3a + 2b)
A) 13a 13b
B) 21a + 17b
C) 21a + 2b
D) 38ab

Respuesta :

23rasch 23rasch

03-04-2017

9a+9b+12a+8b
21a+17b
B) 21a+17b

Answer Link

dystychiphobia dystychiphobia

03-04-2017

The answer is B! 21a +17b.
I don't have the steps at the moment! Sorry!

Answer Link

Otras preguntas

Who was the African-American who called the war with Mexico disgraceful and cruel? Why?

which number will make the fractions equivalent 25/35

What is cos P? Right triangle PQR with a short leg measuring 5, a long leg measuring 12, and the hypotenuse as 13A. 5/12B. 12/13C. 5/13D. 12/5

find the sum of 3b/b+2 and 12/b+2 and express it in simplest form

i need a diagram for how a scrap heap magnet works

Which of the following is a requirement for membership in either the Democratic or Republican Party? A. pass a test on the party philosophy B. pay a cert

How did world war 1 contribute to the collapse of the Russian monarchy?

Identify true statements. (a) A sequence is either arithmetic or geometric. (b) An arithmetic sequence is either increasing or decreasing if common difference i

Indicate true or false as to whether the following equation is quadratic 2x-4x+1=0

How did world war 1 contribute to the collapse of the Russian monarchy?