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

Evaluate a + 6 for a = 10.

Look at the equation framework. Which of the following lists the proper placement of terms, from left to right, to complete the equation? revenue, profit, pr

The answers to this question

The figure of speech that gives objects and animals human characteristics is called?

The answer options are A. X/7 ≥ y/3 + 2 B. Y/2 ≤ x/3 +2 C. Y/7 ≤ x/3 + 3 D. X/7 ≤ y/3 +2

(8CQ) Determine whether the series -5+25-125+... is convergent or divergent.

The cylinder shown has a lateral surface area of about 400 square inches. Which answer is closest to the measure of the cylinder's radius? Use 3.14 to approxima

Help Passage 1 The Benefits of Local Recycling Programs Natural resources are getting exhausted faster than we are prepared for, especially with the boom i

in music, which of the following intervals can be augmented? m2 m7 octave P4

Define the three kinds of load that make up the particles a stream carries.?