# Yahoo Web Search

related to: hrt.hr

1. ### Average speed for the trip is?

total distance = 15 + 60 = 75 miles total time = 30/60 + 1 = 1 1.2 hrts = 1.5 hrs speed = 75 miles / 1.5 hrs = 50 mph

3 Answers · Science & Mathematics · 16/11/2012

2. ### Equation for math with two planes?

...direction and the N/S distance after 20 min = 1/3 hr is (450 mph)*(1/3 h) = 150 mi. Sketch all this... sqrt(80^2 + 150^2) miles apart in 20 min = 1/3 hrt . - - - - When the distance between the planes...

1 Answers · Science & Mathematics · 07/03/2012

3. ### Optimization Q?

... time to travel one kilometer is t = x⁻¹ hr /km One hour costs twenty euros. Hence the waging costs are w = 20€/ hr·t = (20·x⁻¹) €/km 3. Total costs...

2 Answers · Science & Mathematics · 18/05/2008

4. ### Prove that gcd(a,m)=1 and gcd(b,m)=1 if and only if gcd(ab,m)=1.?

...1, then there exists integer r > 1 such that a = hr and m = kr for some integers h and k, OR...some integers t and u. Then the product ab = hrts will have either a factor or r > 1 (in case that m = kr...

1 Answers · Science & Mathematics · 12/03/2012