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

djfjjcuvdhdhsywhbsbdbdhchchushsbsbbshsghdhdhdhshhehdhdhdhdhhdhdhdhdhshhsh

The following people have been arrested and charged with a variety of crimes. For each case, decide whether the person should be released and, if so, under what

Please help will give brainliest to answer

2. Next she needs to find her maximum heart rate m by subtracting her age a from 220. Write an equation she can use.

Help Please Best Answer Will Get Brainliest ! Should be 15/15 be expressed as a mixed number or a whole number? How do you know?

PLS HELP!!!!! OR I FAIL!!! The graph of g(x), shown below, is a vertical shift of the graph of f(x) = 2* Write the equation for g(x).

Need help on English

what is mornachy in the government

Compose a paragraph that identifies and describes each of the three Siberian regions.

HELPP OUTTT!! ______