The answer is B...
On the first day he spends 30 minutes training.. after that he is spending 10 minutes extra.. so on day two he would spend 40 minutes.. then day three.. 50 minutes.. day four.. 60 minutes and so on... The answer would be <em><u>B</u></em> though.
Answer:
1445 mg
Step-by-step explanation:
If you go from 2009 to 2011 and decayed 390 mg, you divide that by two to see how much it decays in one year. After you get that, you multiple 195 by 5 and get 975. your initial value is 480, so you would add 975 and 480 to get the answer 1445 mg. I am only in the 7th grade, so I could be wrong but it looks like a simple slope problem and I feel pretty confident about my answer.
It’s just a change of sign. For example y+-1(x+2) or y-x-2 or y-(x+2) all the same thing
Answer:
21.897 to the nearest hundredth is 2.19