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

a factitions disorder is present when?
Two students wrote an equation representing a total cost of $125 after the discount. Which student is correct, and why? Student 1Student 2 3(c – 0.3c) = 1253c –
Factorize completely u(5v+35w)+s(-7v-49w)
Complete the sentences with the comparative form of adjectives. (2 pt.) Action movies (exciting) _____________________________________ comedies. This restauran
whats the difference between |-1| and -1
Two things that may have a volume of 1 ml
SecurityFirst is a security services company that sells home security devices in California and New York. They hire seasonal sales representatives who work seve
Read the excerpt from "Raymond's Run." take my time getting to the park on May Day because the track meet is the last thing on the program. The biggest thing on
which two territories are within the boundaries of isreal
A box of mass 15 kg is being pulled with a cord that makes the angle 32 degrees as shown in the sketch. If the coefficient of kinetic friction between box and t