pandagallola
pandagallola pandagallola
  • 02-10-2017
  • Mathematics
contestada

Which expression shows the sum 9 + 21 rewritten as a product of the GCF and a sum?

A- 9(1 + 21)
B- 3(3 + 7)
C- 3(3 + 21)
D- 9(1 + 3)

Respuesta :

aboots02 aboots02
  • 02-10-2017
B. 
9 = 3 x 3
21 = 3 x 7
GCF = 3
3 x 3 + 3 x 7 = 9 + 21 = 30
Answer Link

Otras preguntas

Show that n^2-1 is divisible by 8,if 'n' is an odd positive integer.
Which statement accurately describes the Battle of Marathon?   A. Athens fought alone against Darius's army and decisively defeated the Pers
Q: What is the indicated term of the arithmetic sequence? someone help!!!! a14 for 200,196,192... A: a. 148 b. 252 c. 144 d. 239
What effects did the battle of bunker hill have?
Why was FDR's Court Packing Plan a mistake?
how many variables should you have in a control experiment?
What Does "Turning of the Tide" Mean?
Did Maya Angelou's uncle kill the mom's boyfriend after finding out he raped Maya or beat him to death?
Is Obesity Really a Big Problem in America? Please help me :)
what are facts on Loyalists?