Let x represent the number of red marbles, then blue marbles are represented by x + 31
red + blue = 225
x + x + 31 = 225
2x + 31 = 225
2x = 194
x = 97
Blue: x + 31 = 97 + 31 = 128
Answer: 128 blue marbles
1... the wording is a little confusing.
Is the charge $0.18 per mile or is it actually $36.18 per mile?
The answer for x^2-6x-16 is (x-8) (x+2) or x = -2
Answer:
c. modus ponens
Explanation:
In propositional logic, we learn that <em>modus ponens</em> is a valid argument and a rule of inference. <em>Modus ponens</em> states that "P implies Q, and if P is true, then Q must be true."
Based on these propositions, we learn that all food that is healthy does not taste good, and tofu is healthy. Therefore,
<em>If all food that is healthy does not taste good,</em>
<em>and tofu is healthy to eat,</em>
<em>then tofu does not taste good.</em>