Suppose R = {1, 3, 5, 7, 9, 11, 13, 15, 17} and D = {3, 6, 9, 12, 15, 18, 21, 24, 27}. What is R ∩ D? (
R ∩ D is the intersection of sets R and D, which means it contains the elements that are common to both sets.
Looking at the two sets, we can see that the common elements are 3 and 15. Therefore, R ∩ D = {3, 15}.
To find the intersection of sets R and D, follow these steps:
Step 1: Write down the elements of set R: R = {1, 3, 5, 7, 9, 11, 13, 15, 17}.
Step 2: Write down the elements of set D: D = {3, 6, 9, 12, 15, 18, 21, 24, 27}.
Step 3: Compare the elements of set R with the elements of set D to find the common elements.
Step 4: The intersection of sets R and D consists of the common elements:
R ∩ D = {3, 9, 15}.
To find the intersection of two sets, you need to identify the elements that are common to both sets. In this case, we have two sets, R and D.
R = {1, 3, 5, 7, 9, 11, 13, 15, 17}
D = {3, 6, 9, 12, 15, 18, 21, 24, 27}
To find the intersection (R ∩ D), you need to identify the elements that are present in both sets. In other words, you need to find the numbers that appear in both sets.
From the given sets, we can see that the number 3 and the number 9 appear in both R and D. Therefore, the intersection of R and D, R ∩ D, is {3, 9}.