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What is the sum of all 2-digit positive numbers whose digits are either 1, 2, 3 or 4?

calculate the de broglie wavelength of He atom at 27 degree celsius & v=2.4*1000

How far would a car of 126 horse power have gone when it attains a speed of 70 km/hour going up the hill with 15 degrees incline. Total weight of the car is 1338 kg

The liquid bromoethane has a density of 1.46 g/mL at 20 °C. If a sample of this liquid at 20 °C has a volume of 59.9 mL, how many grams of liquid are there in the sample

Consider a planet in space whose mass is twice that of earth and radius is thrice that of earth what will be the weight of a body on this planet if its weight on the earth is 900N ??

Consider the following equation: 4 NH3 (g) + 5 O2(g) 4 NO (g) + 6 H2O(g) (a) How many liters of oxygen are required to react with 2.5 L NH3 ? Both gases are at STP.

If g'(x) = f(x) with g(-8) = a, g(-2) = b, g(1) = c, and g(4) = d. , express the value of ∫ (bottom 4, upper 2) f(2x) dx in terms of a, b, c, and/or d.

That is wrong. i just took the test

I think its a

um is it d then?

easy h

couldnt agree more to your 8 years late response @Person :D

21.3 kJ of heat. no explanation sorry im tkaing a test and i just wanted ot help i found out this was the anwser lmao

npnppnl

around circle = 2(pi)(radius) = (pi)(diameter) across circle = (diameter) (pi)(diameter)/(diameter) = pi answer = pi

1/2 > -1/2 - 7/6x 1/2 + 1/2 = 1 1 > -7/6x 1/(-7/6) < x (flip the sign) 1/(-7/6) = -6/7 answer = x > -6/7

125+55=180 The bearing from x to y 360 - 55=305