A = {1,4,5,7}

B = {1,7,9,12}

Find A ∩ B.

A) {1,4,5,7,9,12}

B) {1,7}

C) {1}

D) {7}

Question

Shyanne Dougherty

Mathematics

5 October, 08:28

A = {1,4,5,7}

B = {1,7,9,12}

Find A ∩ B.

A) {1,4,5,7,9,12}

B) {1,7}

C) {1}

D) {7}

+3

Answers (1)

Know the Answer?

Madeleine Carney · Answer 1

B)

Step-by-step explanation:

A ∩ B means all the elements that appear in both of the groups

therefore:

1 nad 7 appear in both

the correct answer is B) 1 and 7

A = {1,4,5,7}B = {1,7,9,12}Find A ∩ B.A) {1,4,5,7,9,12}B) {1,7}C) {1}D) {7}

A = {1,4,5,7}

B = {1,7,9,12}

Find A ∩ B.

A) {1,4,5,7,9,12}

B) {1,7}

C) {1}

D) {7}