Answer:
We have to prove,
(A \ B) ∪ ( B \ A ) = (A U B) \ (B ∩ A).
Suppose,
x ∈ (A \ B) ∪ ( B \ A ), where x is an arbitrary,
⇒ x ∈ A \ B or x ∈ B \ A
⇒ x ∈ A and x ∉ B or x ∈ B and x ∉ A
⇒ x ∈ A or x ∈ B and x ∉ B and x ∉ A
⇒ x ∈ A ∪ B and x ∉ B ∩ A
⇒ x ∈ ( A ∪ B ) \ ( B ∩ A )
Conversely,
Suppose,
y ∈ ( A ∪ B ) \ ( B ∩ A ), where, y is an arbitrary.
⇒ y ∈ A ∪ B and x ∉ B ∩ A
⇒ y ∈ A or y ∈ B and y ∉ B or y ∉ A
⇒ y ∈ A and y ∉ B or y ∈ B and y ∉ A
⇒ y ∈ A \ B or y ∈ B \ A
⇒ y ∈ ( A \ B ) ∪ ( B \ A )
Hence, proved......
Answer:
$706.77 total cost of bicycle
Step-by-step explanation:
$658.99 x .0725 = $47.776 (Move decimal twicw to left to change to decimal)
$658.99 + $47.776 = $706.766 = $706.77
Answer:
11. Yes this is reasonable. Because medicine is often taken in small amounts, 4 millilitres is reasonable
12. This is not reasonable. Three liters of water is a very large amount. If you drink three liters of water in one sitting you could get water poisoning.
Step-by-step explanation:
Answer:
1400 g because these all numbers are even so after 1200 will come 1400 and than 1600 so in kilograms the measurement is 1.4kg
Step-by-step explanation:
i hope this will help you :)
Question is Incomplete, Complete Question is given below.
A piano teacher has 4 1/2 hours available to teach in a night each lesson the last 1 1/2 hours how many lessons can the teacher schedule in a night.
Answer:
The Piano teacher can teach 3 lessons in night.
Step-by-step explanation:
Given:
Number of Hours Available = 
can be Rewritten as 
Number of hours for Each Lessons = 
can be Rewritten as 
We need to find Number of lesson that can be scheduled for night.
Number of lesson scheduled for night can be calculated by dividing number of hours available in night with number of hours each lesson would required.
Framing above sentence in equation form we get;
Number of lesson scheduled for night = 
Substituting the values we get;
Number of lesson scheduled for night = 
Hence The Piano teacher can teach 3 lessons in night.