I am having problems with my math homework. I suspect that the questions are incomplete. We have asked several people from several schools to help out but we cannot seem to find an answer.
I have copied and pasted the questions exactly how my teacher posted them. He writes his own questions so there is no answer in the back of the book to work off of. Any help at all would be appreciated.
4. "Two trains are 2000 miles apart and they are traveling towards each other. One leaves 3 hours earlier than the other one and travels at 3 times the speed of the other train. How long till they pass each other. How far away from the faster train's location"
2. "Train A leaves Los Angeles at 1:00pm and travels towards Denver. It is going 40 miles/hour. Train leaves Denver at the same time and travels towards L.A. It is going 75 miles/hour. How long till the trains pass each other? How far from Denver will they cross?"
question 2 seems to be incomplete...
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My son is in 9th grade and taking Alg2/Trig (no honors until 10th grade classes at his private school) and he's an A+ student. He said the problems are both doable, hard but doable. He said that he assumes in the first question that they mean - train's STARTING location - at the end.
As for the second one, you need to look up the distance between Denver and LA. And the train living Denver is Train B.
My son's teachers make up some of their own questions, it drives me crazy because sometimes they are not worded correctly, even though the teachers have masters and doctorates. That's why there are text books!
Good luck!
you ought to discover 2 numbers that multiply to one hundred fifty or 2 that divide to one hundred fifty. For the 1st case, say 25 and six. Then log one hundred fifty is log 25 +log 6 (i assume those are undemanding logs, base 10). or perchance 2 numbers that divide to one hundred fifty: log (3 hundred/2) is log 3 hundred -log 2 and log 3 hundred ought to then be broken all the way down to log a hundred +log 3. log a hundred is two in view that a hundred is 10^2; so it would be 2 +log 3 -log 2.