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In mathematics, the symbol "d" typically represents distance. When the variable "t" is equal to 2.5 hours, it suggests a scenario involving motion or change over time. To determine the specific value of "d" in this context, additional information such as the rate of change or speed would be needed, as distance is calculated by multiplying time by speed.
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What is the derivative of te(-t2)?
Use the product and chain rules: d/dt te^(-t²) = (d/dt t)e^(-t²) + t(d/dt e^(-t²)) = 1 × e^(-t²) + t × e^(-t²) × d/dt -t² = e^(-t²) (1 + t × -2t) = (1 - 2t²)e^(-t²)
What is the formula to determine time knowing speed and distance?
D = rt t = d/r r = d/t
What time is 25 hours past 900 am?
There are 24 hours in 1 day, so 25 hours = 24 hours + 1 hours = 1 day + 1 hour Thus 25 hours after 09:00 am is 10:00 am on the following day.
How many hours before midnight in 3 hours?
If the time now is T hours (on a 24 hour clock), then the answer is mod(21 - T, 24) hours.
How many hours is 90000 seconds?
25 Hours
How many hours would it take to drive 715 miles at 65 mph?
Use the formula: V=D/T Where V= Velocity D= Distance T = Time So solving for T T = D / V T = 715miles / 65 Mph T = 11 hours
If a car goes 90mph for 3 hours. how far did it get?
d=t*v d=3h(90mph) d=270 miles
How long does it take to go 1 mile going 80mph?
If my maths are right, it would take you 45 seconds... S= Speed, D= Distance, T= Time S=D/T T=D/S T=1 / 80 T= 0.0125 hours * 3600 seconds = 45 seconds Czar~
How long does 250 miles take going 70miles per hour?
Well, d(istance)=r(ate)*t(ime), so if d=250 miles and r=70 mph, t= 3.6 hours, or 3 hours and 36 minutes.
How long to travel 15 nautical miles at 12 knots?
v = d/t so... t = d/v = 15/12 = 1.25 hours or 1 hr 15 min
How long would it take to drive 500 miles at 125 mph?
4 hours because, D=ST,T=D/S substituting values, T=500/125=4 hrs.
What is the average speed of a car that speeds up from 0 miles per hour to 25 miles per hour?
If the car goes from 0 to 25 miles per hour at constant acceleration, the average speed when it reaches 25 mph will be 12.5 mph. Distance (d) traveled during time twhen starting from 0 velocity and accelerating at a constant acceleration of a: d = at²/2 Velocity (v) at time t when starting from velocity 0: v = atso the time it will take to get to 25 mph will be: t = v/a = 25(mph)/aaverage velocity will be: d/t = (at²/2)/t = at/2 = a(25mph/a)/2 = 12.5 mph
How many hrs and mins in 265 mins?
4 hours and 25 minutes.4 hours and 25 minutes.4 hours and 25 minutes.4 hours and 25 minutes.4 hours and 25 minutes.4 hours and 25 minutes.4 hours and 25 minutes.4 hours and 25 minutes.4 hours and 25 minutes.4 hours and 25 minutes.4 hours and 25 minutes.
How many hours is a 2350 mile drive at 80 miles per hour?
Using the formula D/T, you get 29 hours and 22.5 minutes
How many hours would it take to do 230miles at 60mph?
R=D/T 60 = 230 /T 60T=230 T= 230/60 = 23/6 (23/6) * 60= 230 minutes 3 hours and 50 minutes
How long to drive 278 miles at 70 miles per hour?
These types of questions can be solved with a simple formula, which is actually interchangeable when you need to find distance, speed, and time. T = D/S S = D/T D = S/T So based on the T = D/S formula we get: 278 miles ÷ 70 miles/hr = 3.97 hours
How long would it take to catch someone that's driving 80 miles an hour if your driving 120 miles an hour and you leave two hours after them?
Velocity = Distance ÷ Time, therefore Time = Distance ÷ Velocity. Both vehicles travel the same distance (D). Let T be the time taken by Vehicle 1. Then T = D/80 ........so D = 80T For the second vehicle as it takes 2 hours less to travel the same distance then, T - 2 = D/120..........so D = 120(T - 2) Equating the two expressions for D gives, 80T = 120(T - 2) = 120T - 240 40T = 240 T = 240/40 = 6 hours. Then the time for Vehicle 2 = 6 - 2 = 4 hours. Check : Vehicle 1 travels 6 x 80 = 480 miles Vehicle 2 travels 4 x 120 = 480 miles
