Answer: 196 m
Step-by-step explanation:
7=x^2+20x+82
0=x^2+20x+75
What adds to 20 and multiplies to 75? 5 and 15.
x^2+5x+15x+75
x(x+5) 15(x+5)
(x+15) (x+5)
Zeroes are x= -5 and x= -15
20002 because all of it added together and then divided by two gives you 20002.
Answer:
He did 9 times 10 instead of 9 times 100.
19% / 100% = ? / 100$ ⇒ the answer is 19 $ :))
