1. Rational/The sum of two rationals is always rational
2. Irrational/ the sum of a rational and an irrational is always irrational
3. Irrational/The product of a nonzero rational and an irrational is always irrational
4. Rational/The product of two rationals is always rational
Pretty much all the irrational numbers are the ones with radical signs over them and the rational numbers are the fractions and whole numbers. Once you identify the two numbers to be rational or irrational, you can then find your answer within the second part of the answers.
Answer:
the answer is b when we have two positives it makes a negitive therefore its b
Step-by-step explanation:
Answer:

Step-by-step explanation:
From the question we are told that:
Force 1 
Force 2 
Force 3 
Direction 1
Direction 2 
Direction 3 
Generally Resolving forces to X axis is mathematically given by


Generally Resolving forces to Y axis is mathematically given by


Generally the equation for Resultant force R is mathematically given by



Answer:
correct answer options are ; C and D
Step-by-step explanation:
By definition, vertical angles are those that are opposite each other when two lines cross and are equal.
Observing the given options;
C. ∠LRE and ∠FRA
D.∠TRF and ∠NRL
In the other options given, it could have been correct if stated as;
A. ∠ARS and ∠ERO
B. ∠NRA and ∠TRE