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

Samples of size n = 600 are taken from a telephone survey, and the mean age is taken for each sample. What is the distribution of the sample means? A. skewed t
a jar contains 36 marbles. it has 20 red, 12 black, and 4 green marbles. two marbles are drawn; the first is not returned before the second one is drawn. what i
the meaning of empirical formula
To be considered similar, two polygons must have corresponding angles that are equal. true or false
What is 0.1071 written as a fraction in the simplest form?
Which example illustrates Darwin's main contribution to the theory of evolution? A. An agricultural pest has been exposed to a pesticide that wipes out the enti
The decline of the popularity of the Silk Road __________. A. led to the end of the Mongol Empire B. encouraged exploration and the discovery of new trade route
which of these statements best explains why sea breeze blows during the day in coastal locations? a.sea gets heated up faster than land during day time. b.land
What is the factor form of the polynomial x2-16x+48
Before becoming president of the united states, george w. bush first attempted to enter public office as a _____. house of representatives member texas state se