math
the volume of a small balloon is 2 liters and a larger balloon is 5 liters. the small balloon is increased at a rate of 0.3 per sec. larger balloon is decreased at a rate of 0.12 liters per sec. after how many seconds will the two balloon have the same liters.
math
light from point a makes an angle of 20 degrees to the horizontal plane. it is then reflected by plane mirror m. whta is the reflected light s perpendicular to the horizontal plane.
Math
Random samples were taken over 2 weeks (14 days) of a drink machine and data was collected of each drink sold. The sample mean was 65.2 drinks with a deviation of 8.1 drinks. Construct a 95% confidence interval on the mean number of drinks sold per day.
Chemistry
An elemental gas has a mass of 10.3 g. If the volume is 58.4 L and the pressure is 758 torre at a temperature of 2.5 degrees C, what is the gas?
Chemistry
Under constant pressure, a small basketball pump is filled with helium, He, gas; the helium is then forced out of a small aperture in 2 seconds. The same pump is filled with hydrogen bromide, HBr, gas. Under the same pressure, how long will it take to force this gas out?
physics
b) weight of second child+34.5 kg+weight of plank (given in part B in the practice it)multiplied by 9.8= N
physics
a) 34.5/(L/2) x 1.17= weight of second child (kg)
punctuation
correct punctuation?
math
if you want to save $60000 in 7 years with APR 4% daily compounding and no additional deposits, how much would your initial deposit be
Chemistry
How do burn patterns reflect heat flow with the presence or absence of oxygen.
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