LaughlinX177227 LaughlinX177227

03-11-2022
Mathematics

contestada

19Which of the following shows that the sum of two irrational numbers can be rational?OA 1 / + v5OB. + 1OC. V2 + V2OD. (2 + v5) + (2 – V5)

19Which of the following shows that the sum of two irrational numbers can be rationalOA 1 v5OB 1OC V2 V2OD 2 v5 2 V5 class=

Respuesta :

JalenaN432996 JalenaN432996

03-11-2022

The alternatives A, B and C results in irrational numbers. The only one that results in a rational number is D:

[tex](2+\sqrt[]{5})+(2-\sqrt[]{5})=2+2+\sqrt[]{5}-\sqrt[]{5}=4+0=4[/tex]

So, the alternative is D.

Answer Link

Otras preguntas

SOMEONE HELP ASAP! IM STUCKKKKKK

Ewen has 48 white tiles and 16 blue tiles. The cost of each white tile was £2 and the cost of each blue tile was £4 work out the ratio of the total cost of the

based on the information shown on this map which of the following locations served as an eastern boarder for the mongol empire

what is food preservation ? Explain any two methods of food preservation?

A dog starts from rest to chase after a ball. If the dog reaches a maximum speed of 5.4 m/s in 8.2 seconds, what is the acceleration of the dog?

The internal shear force V at a certain section of a steel beam is 80 kN, and the moment of inertia is 64,900,000 . Determine the horizontal shear stress at poi

describe this diagram help please

A political scientist wants to conduct a research study on a president's approval rating. The researcher has obtained data that states that 45% of citizens are

would you expect future volcanoes to be formed to the north,south,east or west of Hawaii explain!!!!!!

The actual cost of direct materials is $ 12.50 per pound. The standard cost per pound is $ 9.00. During the current period, 9 comma 800 pounds of direct materi