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

Find the volume of the following figure round your answer to the nearest tenth if necessary and use pi

Pencils are sold in a local store for 55 cents each. The factory has $1300 in fixed costs plus 15 cents of additional expense for each pencil made. Assuming al

PLZ HELP ME AND IF U CAN XPLAIN

look at the image below

one class collects 8 1/4 pounds of recyclable materials. Another class collects 1 1/2

A) Which of the three types of needs currently drive you? Will that have to change once you find a career-oriented job?

our city looks beautiful.......... dipawali. (preposition in the Gap)

Why might the unnamed first-person narrator be telling the story during the exposition in The Time Machine? A. Because the narrator is going to have a larger pa

The process of diffusion of solvent particles from the region of less solute Concentration to a region of High solute Concentration through semi-permeable Membr

pls try to understand my doubt and clear it .