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

a disruption of balance between oncotic pressure and hydrostatic is critical to regulating

what law energy has never been broken

what is the term for all traits passed biologically from parent to child.

The Lee family bought their home for $220,000 this year. The equation =220,000(1.038) V = 220 , 000 ( 1 . 038 ) x can be used to find the value, V, of their hom

which of the following is true regarding the great missionarybperiod 1610-1680

which of the following protists gets nutrients mainly by absorbing molecules from other organisms through their cell walls and cell membranes? a. amoebas b. wat

Given A(-12,5) and B(12,29) find the point that divides the line segment AB three-eighths of the way from A to B

Read the sentence. Someone sang a solo during the holiday concert. The best reason to revise this sentence using the passive voice is that

The guards at the royal palace in london stand at attention while on duty. on a very hot day, it is not unusual for one (or more) to become light headed and fai

The diameter of a ball is 8 in. What is the volume of the ball? Use 3.14 for pi. Enter your answer as a decimal in the box. Round only your final answer to the