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

According to Table I, which salt releases energy as it dissolves? (1) KNO3 (3) NH4NO3 (2) LiBr (4) NaCl

Given the balanced equation representing a reaction: CaO(s) + CO2(g) ==>CaCO3(s) + heat What is the total mass of CaO(s) that reacts completely with 88 grams

Does an equation always have a solution

What is the acceleration of a car that maintains a constant velocity of 100 km/h for 10 sec?

As an atom becomes an ion, its mass number(1) decreases(2) increases(3) remains the same

The compounds 2-butanol and 2-butene both contain (1) double bonds, only (3) carbon atoms (2) single bonds, only (4) oxygen atoms

Which approach best defines how writers of historical fiction try to appeal to readers?

A compound is made up of iron and oxygen, only. The ratio of iron ions to oxide ions is 2:3 in this compound. The IUPAC name for this compound is (1) triiron di

Write the inequality in interval notation X is greater than or equal to negative 4

How is President Eisenhower's domestic agenda best categorized? centrist and extremely limited in scope conservative and focused on reducing federal spending li