miBacypaujesse miBacypaujesse

28-12-2016
Mathematics

contestada

Simplify:

square root of 3 times square root of 21

square root of 24

square root of 63

3 square root of 7

None of the above

Respuesta :

smmwaite smmwaite

10-11-2018

Answer

3 square root of 7

Explanation

square root of 3 times square root of 21

√3 × √21 = √(3×21)

= √63

= √(9×7)

= √9 × √7

= 3 × √7

= 3√7

The answer is 3 square root of 7

Answer Link

Otras preguntas

Give me an interesting introduction that identifies the theme and the works and provides a sample of what an audience would read, see, or hear in each work from

What are the steps for using a compass and straightedge to construct a square?

Calculate ∆S° for the reaction C2H4(g) + 3O2(g) h 2CO2(g) + 2H2O(l) See Table 18.1 for values of standard entropies. Does the entropy of the chemical system inc

A truck moves a rate of 1,100 ft per min. If the radius of each tire is 2 ft, how much time does it take for a tire to rotate 7,700 times? (Use fraction 22/7 to

I don’t understand the question

20. A bag of cement of weight 325 N hangs in equilibrium from three wires as shown in Figure P5.20. Two of the wires make angles 0, = 60.0° and 0, - 25.0° with

The Eagle by Alfred Lord Tennyson He clasps the crag with crooked hands; Close to the sun in lonely lands, Ring'd with the azure world, he stands. The wrinkle

The table summarizes the movie-watching preferences and ages of a group of 500 people in one community.Movie Theater Streaming Service DVDUnder age 18 0.13 0.16

Why must you compare the weight of your load to the strength of your tiedowns ?

HardlinerDiplomacy AdvocateIn general, I think of the Cold War primarily as...I think our foreign policy goals in dealing with the Soviet Union should be...I be