15-02-2018
Mathematics

contestada

find the intersection and union for L={-1,1,2} I={-1,3,7}

Respuesta :

graceomega graceomega

15-02-2018

Intersection means elements both have. Both sets have -1 but they have nothing else in common so the intersection is {-1}
Union means combining the sets so {-1, 1, 2, 3, 7} Note that I only wrote 1 twice. No duplicates allowed!

Answer Link

Otras preguntas

the only Americans allowed to vote in 1824 and 1828 were

How did the Stamp Act affect prices in the American colonies? A) It raised the price of many items. B) It lowered the price of most items. C) It made the price

Which describes the Magna Carta? A. a set of laws for British colonists B. a document giving Englishmen political rights C. a promise of independence for the co

what is 45% of 726 how do u get it

periodic table which pair of elements would most likely have a similar arrangement of outer electrons and have similar chemical behaviors?

What was a goal for the Concert of Europe? A.) to suppress dangerous revolutions in Europe B.) to secure Greek independence from Turkish rule C.) to rid Europe

Change 0.275 to a fraction

Which statements about life in America during the late 1800s are true? Choose all answers that are correct. A. Leisure-time activities were reserved for the ext

How does life in Istanbul differ from life in rural Turkey?

Each of these is a requirement to become a U.S. senator except must be at least 30 years of age, must have been a U.S. citizen for at least nine years, must hav