dragonrose780 dragonrose780

02-02-2020
Mathematics

contestada

Set A contains 17 elements, set B contains 20 elements, and 6 elements are common to sets A and B. How
many elements are in A or B?

Respuesta :

sqdancefan sqdancefan

02-02-2020

Answer:

31

Step-by-step explanation:

There are 17-6 = 11 elements in Set A that are not also in Set B. Those togeter with Set B comprise all of the elements of either set.

11 + 20 = 31 . . . elements in A or B

Answer Link

Otras preguntas

A nuclear fission reaction and a nuclear fusion reaction are similar because both reactions (1) form heavy nuclides from light nuclides (2) form light nuclides

what is 7.4 in it's simplest form?

what is the name of the symbol that shows directions on a map

Which formula represents a polar molecule? (1) Br2 (3) CH4 (2) CO2 (4) NH3

An atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has (1) more protons than neutrons (2) more ne

order from least to greatest ! 1.36,1.3,1.63 and this other 0.42,3.74,3.47.

What adds to 22 and multiplies to 21?

Which radioisotope undergoes beta decay and has a half-life of less than 1 minute? (1) Fr-220 (3) N-16(2) K-42 (4) P-32

State what happens to the potential energy of CO2 molecules during this phase change of CO2.

Which nuclear decay emission consists of energy, only? (1) alpha particle (3) gamma radiation (2) beta particle (4) positron