michellewilliam michellewilliam
  • 01-06-2014
  • Mathematics
contestada

determine whether each expression is meaningful as  a real number  yes or no?   -√9

Respuesta :

Аноним Аноним
  • 06-07-2014
[tex]Yes\ -\sqrt9\ is\ real\ number\\\\-\sqrt9=-3\ is\ integer\ number\\\\-\sqrt{a}\in\mathbb{R}\ for\ any\ a\geq0[/tex]
Answer Link

Otras preguntas

how a convection current can enable a hawk or eagle to soar upward without flapping its wing
Where does all of the energy in an ecosystem ultimately come from? Please help
I need help with density I don't get it at all
A train travels at a speed of 30 mph and travel a distance of 240 miles. How long did it take the train to complete it's journey?
A first year Master Chef was hired in Whitehorse, Yukon at an annual salary of $52,000. What would her gross pay each pay cheque be if she was paid Semi-Monthly
53°c below zero is what
fructuse, sucrose, and starch are all examples of ? carbohydrates, lipids,nucleic acids or proteins?
What is the value of x?
Show how to find the value of six dimes an eight pennies
The fastest a human has ever run is 27 miles per hour. How many miles power minute did the human run?