abbi2306311 abbi2306311
  • 03-04-2017
  • Mathematics
contestada

Solve Radical Equations
sqrt(28)+sqrt(63)+sqrt(175)

Respuesta :

ghanami
ghanami ghanami
  • 03-04-2017
hello : 
175=7×5²                 
63=7×3²
28 = 7×2²
√175 =√(7×5²) =5 √7 
√63 = √(7×3²) =3√7
√28 =√( 7×2²) = 4√7
√28+√63+√175 =4√7 +3√7 +5 √7  =(4+3+5) √7 =12 √7 
Answer Link

Otras preguntas

I’m confused on this one
What is the average rate of change from X=0 to x=-2
HTML is another web design term for CSS. True False
What was the name of the japanese commander in chief who planed the pearl jarbor attack?
List and give a brief description of the key factors of active listening.
Which of the following pairs of elements could possibly be found in the same group on the periodic table? (2 points) A forms a 2+ ion; B is in group 2. A is a n
For your paragraph, focus on the impact isolationism had on China's economy. Is Isolationism a good thing or bad thing? Why? Think about the impact it had on Ch
Not all members of the radio audience of orson welles' war of the worlds broadcast panicked immediately. indeed, some didn't panic until they looked out of the
Suppose you are designing an experiment to test the effects of nicotine on the heart rate of rats. what are the disadvantages of having too small of a sample si
Listen to the sound clip for each instrument. Which instrument's sound do you like the best? Why? How would you describe the sound? (For example, it is a warm o