disombaallen disombaallen

03-11-2015
Mathematics

contestada

Simplify the radical expression by rationalizing the denominator.
4 divided by the square root of 21.

Respuesta :

03-11-2015

[tex]\frac{4}{\sqrt{21}} = \frac{4}{\sqrt{21}} \times \frac{\sqrt{21}}{\sqrt{21}} =\boxed{ \frac{4\sqrt{21}}{21}}[/tex]

Answer Link

Otras preguntas

Someone following us

One of the most important features of a filing and record keeping system is that it works for you and meets your needs true or false

One of the themes of Renaissance art is realism or a place of being. How would this be conveyed in the art of this period? Select one: a.man is seen has having

b is equals to 4 upon 3 Pi R cube find the subject the subject is or r

Which type of transport moves sugars around the plant?

The hunchback around their parents of the upper back is known as which postural deviation?

03, The measures of the angles of a triangle are shown in the figure below. Solve for x. 39° (7x+16) Answer: x =

Right triangle EFG and right triangle EHG overlap as shown below. Angle HEG measures 35° and angle FGE measures 30°. What are the values of x and y?

Design an Escape-Room Adventure Decide on a theme for an escape room adventure. Write a paragraph describing the theme of your adventure. Describe the puzzles a

Under careful and controlled supervision, Ashley is slowly adding 1 mL of a strong acid at a time to 30 mL of a strong base to measure the effect it had on the