If brian is 8 and his brother is twice his age, his brother is 16. His brother is 8 years older so when Brian is 11 he will be 19
"If and only if" (abbreviated "iff") is a biconditional logical connective between two assertions that is either true or untrue. The correct option is D.
<h3>What is "if and only if" operator?</h3>
In logic and related subjects such as mathematics and philosophy, "if and only if" (abbreviated "iff") is a biconditional logical connective between two assertions that is either true or untrue. It is represented by ⇔ or ↔.
The two of the events are
- p: the whole number has one digit.
- q: the whole number is less than 10.
Now, the representation of "the whole number has one digit if and only if the whole number is less than 10" is done as p ↔ q.
Hence, the correct option is D.
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Answer:
75 % of 12 = (75 * 12 ) / 100 = 9 were sold
12 - 9 = 3 were thrown out
Step-by-step explanation:
12squared add 5squared=144+25=169 B=square root of 169 which is 13
Answer:
m∠8 = 4x
Step-by-step explanation:
Angle 8 is the same angle measure of angle 1, which is m∠1 = 4x
