mike1016 mike1016
  • 22-09-2016
  • Mathematics
contestada

what is the sum of sqrt 18 plus sqrt 72

Respuesta :

Аноним Аноним
  • 22-09-2016
18=2*3*3=2*3²
72=2*2*2*3*3=2³ *3²

√18+√72=√(2*3²) +√(2³ * 3²)=3√2 + 3*2√2=3√2 + 6√2=9√2

Answer: √18+√72=9√2
Answer Link

Otras preguntas

for a button to fit through its buttonhole, the hole needs to be the size of the button diameter. What size buttonhole is needed for a button with a cIrcumferen
one month, Jon worked 3 hours less than Chaya and Angel worked 4 hours more than Chaya. Together they worked 196 hours . Find the number of hours each person w
why is it important to observe an individuals reactions when communicating with them
is 30/50 equivalent to 3/5
65 900 000 in scientific notation
in golf, par means a score of zero. one golfer scored 3 under par each day of a 4 day tournament. write the golfers daily score as an integer and find the golfe
Suppose a line intersecting two lines a and b forms a 35 degree angle with each line. What are the possible relationships between lines a and b ?
The product of h and 3 increased by 20
Wilhelm IV promised the Prussian people a ___________________, but did not write one.
how to solve for x in the following equation   x(a-b)=m(x-c)