Answer:
Axioms or postulates are universal truths. They cannot be proved. Theorem are statements which can be proved.
So five plus three times x equals twenty because five is alone and you’re adding three times x and is represents the equal sign and twenty is alone. So the equation is this 5 + 3x = 20
Answer:
(f-g)(x) is given by -x^2+4x+6
Step-by-step explanation:
Answer: 15 boys
Explanation: ratio 5:7
5 + 7 = 12
Number of boys = 5/12 × 36