Answer: 2. Linear pair postulate
4. 60 + mACB=180
5. mACB=120
6. definition of obtuse angle
Answer:
3 dollars
Step-by-step explanation: divide 25 by .12=3.00
Both the top and bottom are divisible by three, and 13/9ths cannot be simplified anymore
Answer: see below
<u>Step-by-step explanation:</u>
Any value x such that |x| < 1 will make the conjecture false
<em>In simpler words, let x be a fraction between 0 and 1.</em>
One example: Let x =
Then x⁴ =
=
<
so the conjecture is false.