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If A and B are sets whose union is B then it must be true that what?
Wiki User
∙ 11y ago
a is a subset of b
Wiki User
∙ 11y ago
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Is it true that if a union c equals b union c then a equals b?
No- this is not true in general. Counterexample: Let a = {1,2}, b = {1} and c ={2}. a union c = [1,2} and b union c = {1,2} but a does not equal b. The statement be made true by putting additional restrictions on the sets.
What must be true about the slope of a line whose graph extends into quadrants II and IV?
it is a negative slope.
Is it true that all equal sets are equivalent sets?
Yes.
What are two whole numbers whose product is 1500 and whose GCF is 10?
50 and 30
A sequence is a whose domain is the set of natural numbers?
true
Is it true that if a union c equals b union c then a equals b?
No- this is not true in general. Counterexample: Let a = {1,2}, b = {1} and c ={2}. a union c = [1,2} and b union c = {1,2} but a does not equal b. The statement be made true by putting additional restrictions on the sets.
What must be true of a line whose slope is undefined?
The x-coordinate must be the same for all points on the line.
When you start from a given sets of rules and conditions and determine what must be true you are using what reasoning?
You are using deductive logic.
What must be true about the slope of a line whose graph extends into quadrants II and IV?
it is a negative slope.
Is it true that all equal sets are equivalent sets?
Yes.
What is And in math?
And is used in logical comparison in mathematics. true and true is true. true and false is false. false and true is false. false and false is false.
What is true about the ability of congress to set conditions on a state seeking admission to the union?
congress must not interfere with a state's internal affairs
Are prime numbers infinite sets?
True.
True or false the president must give a state of the union message once a yar?
False; it is stated that the president must address the public from "time to time". No specific time is actually set.
Is It true that angles whose measures are equal are vertical angles?
true
Is it true that the Italian government sets car used prices?
No.
Does the Sixth Amendment sets out rules for court proceedings.?
true
