miracletgibson miracletgibson

10-12-2017
Mathematics

contestada

Which expression is equivlent to 3n + 2(1-4n)
a 2-n
b 2-5n
c 2+11n
d 2-11n
Samuel chose a how did he get that answer.

Respuesta :

hienh4517 hienh4517

10-12-2017

3n + 2 -8n
= 2 - 5n

B is correct answer

Answer Link

harpazo harpazo

10-12-2017

3n + 2(1 - 4n)

The first thing you want to do is clear the parentheses.

3n + 2 - 8n

We now combine like terms.

3n - 8n + 2

-5n + 2

Rewrite as 2 - 5n.

Answer is b not a.

Answer Link

Otras preguntas

What made it possible for someone to put money in the bank at one location and withdraw it from another? a. Hanseatic League c. barter economy b. the domestic s

A store sells 12 cans of nuts for $33. How much would it cost you to buy 7 cans of nuts?

Magnesium has 2 valence electrons, and oxygen has 6 valence electrons. Which type of bonding is likely to occur between a magnesium atom and an oxygen atom? 1.

8 more than a number is 13

explain when it might be more efficient to use the percent equation rather than the percent proportion

FRITZ—Oh—but de talk—de talk—I can't stand it for you. When you go out like dis people don't believe it is for your work. They say you have a lover—they say he

How can i draw this?

What are the four types of disease transmission?

For which of the following equilibria does Keq= [O2]? a. O2(l)<=>O2(g) b. 2O3(g)<=>3O2(g) c. 2H2O(l)<=>2H2(g)+ O2(g) d. 2Hg(s)+ O2(g)<=>

Hoy quiero ir al _____ comericial. Necesito unos _____ para la clase de _____ física y unos _____ para arte. Pero no voy a _____ esta tarde porque hace mal ____