help193
help193
25-02-2016
Mathematics
contestada
factor the algebraic expression 27a+21
Respuesta :
apologiabiology
apologiabiology
25-02-2016
we know that we can do
ab+ac=a(b+c)
so find common factor
factor them
27a=a times 3 times 3 times 3
21=3 times 7
common factor=3
3=a
27a/3=9a
21/3=7
so now we have
(3)9a+(3)7=3(9a+7)
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
What’s the difference between student number and user ID? Is any one of them your 06 number?
Which group are the Caddoes, Wichitas, Cherokees, and the Alabamas and Coushattas a part of?
Which document recongnized the independence of the america nd defined its boundaries?
The height of a triangle is 4 m less than its base. The area of the triangle is 48 m2. Find the length of the base. A 7 m B 8 m C 11 m D 12 m I think the a
John is normally a cook at a fast food establishment but is reassigned to cleaning tables what symptoms does john likely have to cause him to be reassigned
what I'd the answer to this? please help me guys!
PLEASE HELP MEEEEEEE
What term is sometimes used in place of the word modeling?
Write the ions that result from the dissociation of na2s
If the tubes of the tracheal system in insects were longer, this would _______. a. allow oxygen to reach the cells faster b. slow down the rate of diffusion c.
