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
VER TODAS LAS RESPUESTAS ( 71+ )
Otras preguntas
a picture frame originally priced at 13.00 is on sale for 7.50 what is the percent decrease
The first factories in America produced __________. A)textiles B)gunpowder C)shoes D)iron tools
1. Which sentence does not contain any errors? a. My two sisters doll's have unique names but both look exactly the same. b. Our dogs and cats are not permitted
Which word in the sentence is the direct object? Jenny gave her brother batteries for his new toy. a. Jenny b. toy c. batteries d. brother
The number 1,563,385 rounded off to the nearest million becomes
How do u factor out the coefficient of the variable??? 1/2Q+5/2
what is the difference between primary storage, secondary storage and off-line storage?
Which of the following would a historian use to get a firsthand account of a past event? a. A chronological source b. A secondary source c. A narrative source d
The Islamic world experienced a dark period during the 1200s and 1300s. What was the principal cause of the Islamic world’s hardships? a. Muslim nobles subjecte
Why are many lakes in the Eastern Mediterranean very salty and full of minerals? a. The earth around them has higher than normal levels of salt and minerals. b.
