Answer:
circumference
Step-by-step explanation:
it's a circle
X² + 18x + 79 = 0
x = <u>-(18) +/- √((18)² - 4(1)(79))</u>
2(1)
x = <u>-18 +/- √(324 - 316)</u>
2
x = <u>-18 +/- √(8)
</u> 2<u>
</u>x = <u>-18 +/- 2√(2)
</u> 2<u>
<em /></u><em />x = -9 <u>+</u> √(2)
x = -9 + √(2) x = -9 - √(2)
Answer:
3
Step-by-step explanation:
Net change of wrestlers
Average rate of change = ---------------------------------
number of rounds
9 - 64 wrestlers - 55 wrestlers
Average rate of change = --------------------- = ------------------
4 rounds 4 rounds
Answer: there were 55 fewer wrestlers between rounds 1 and 4.
35n=280
n=8 8 dimes and 8 quarters
