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 ( 49+ )
Otras preguntas
Why is it important for a cell to be able to efficiently repair its DNA?
Will any data be lost when i enable icloud drive on my sierra imac and ios devices
Britain's parliament passed the indian independence act which separated india into two independent entities – india and pakistan. a. True b. False
19, find the direction angle of vector v to the nearest tenth of a degree
Need help on geometry please
Compare and contrast enhancers and the e. coli arac binding site. what do they h
If a child's knowledge of the alphabet is limited to the letters a, b, c, i, and e, and if the child writes two letters at random (assume the child may write th
An asthmatic client comes into the emergency room with rapid pulse, rapid respirations, minimal breath sounds in the bases. Which of these therapies should the
Why would people risk their lives to stand up for the right to vote?
Answer these for me please
