Answer:
Step-by-step explanation:
What you have are sets A and B and then the Union of those 2 sets. The Union of sets is like the "marriage" of them. The 2 sets come together and bring along with them ALL of their junk and they have to share it.
The upside down U indicates the intersection of the sets. In other words, what they both have in common. They both share a 5 and a 7. Therefore, A∩B = {5, 7}
-20 is the answer I think
Answer:
False
Step-by-step explanation:
Because a translation can increase or decrease both the x and the y.
Answer:
B a rotation about point H
Step-by-step explanation:
Two rigid transformations are used to map ΔHJK to ΔLMN. The first is a translation of vertex H to vertex L. What is the second transformation?
a reflection across the line containing HK
a rotation about point H
a reflection across the line containing HJ
a rotation about point K
