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Some students believe that teachers are full of hot air. If I inhale 2.20 litres of gas at a temperature of 18 degrees c and it heats to a temperature of 38 degrees c in my lungs, what is the new volume of the gas
Multiply 62 by 35, firstly by breaking down 35 in its terms (30 + 5) and secondly by breaking down 35 in its factors (5 x 7). Show all your steps.
(a) 62 x (30 + 5)
(b) 62 x (5 x 7)
Describe what you will do to help a learner who cannot position 3over4 correctly on a number line.
Show your calculation and explain how the base 60 number system is used to subtract 48 minutes from 2 hour 13 minutes
Show your calculation and explain how the base 60 number system is used to subtract 48 minutes from 2 hour 13 minutes
Show that
f(x)=(1/2)^(x+1) , x = 0, 1, 2, 3, 4, 5,...
is a valid PMF for a discrete random variable. Also find
out its CDF.
A ladder 20 meters long leans against a wall. If the bottom of the ladder is being pushed towards the wall at the rate of 20 m/min, how fast is the top of the ladder moving up the wall when the top of the ladder is 6 meters from the ground?
Suppose 47.6g of sodium iodide is dissolved in 350.mL of a 0.80 M aqueous solution of silver nitrate.
Calculate the final molarity of iodide anion in the solution. You can assume the volume of the solution doesn't change when the sodium iodide is dissolved in it. Round your answer to 1 significant digit.
a rocket is fired with an initial velocity of 100m/s at an angle of 500above the horizontal .
it explodes on the mauntain side 12s after it is fring .what is the x-and y-coordinate of the rocket relative to its firing point?