College Algebra

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1. algebra

   The volume of a gas varies directly with its temperature and inversely with the pressure. If the volume of a certain gas is 20 cubic feet at a temperature of 350K and a pressure of 35 pounds per square inch, what is the volume of

2. Math IN URGENT NEED OF FEEDBACK

   If the temperature is constant, then the atmospheric pressure P (in pounds/square inch) varies with the altitude above sea level h in accordance with the law given below where p0 is the atmospheric pressure at sea level and k is a

3. Calculus

   The rate of change of atmospheric pressure P with respect to the altitude h is proportional to P provided that the temperature is consistent. At 15 degrees Celsius, the pressure is 101.3 pounds per square inch (psi) at sea level

4. algebra

   The atmospheric pressure P in pounds per square inch (psi) is given by P = 14.7 e−0.21 a where a is the altitude above sea level (in miles). If a city has an atmospheric pressure of 12.31 psi, what is its altitude? (Recall that

1. Calc

   Air pressure at sea level is 30 inches of mercury. At an altitude of h feet above the, air pressure, P, in inches of mercury, is given by, P =30e^(-3.23x10-5h) a)Find th equation of the tangent line at h=0. b)A rule of thumb is

2. precalculus

   The earth's atmospheric pressure, P, in terms of height above sea level is often modeled by an exponential decay function. The pressure at sea level is 1013 millibars and the pressure decreases by 14% for every kilometer above sea

3. math

   atmospheric pressure decreases by about 12% for every 1000 meters you climb. The pressure at sea level is about 1.013 atmospheres. Construct a model to represent the atmospheric pressure at a given altitude in thousands of meters

4. Physics

   The interior of a submarine located at a depth of 50 m in seawater is maintained at sea-level atmospheric pressure. Find the force acting on a window 20 cm square. The density of seawater is 1.03 × 103 kg/m3

1. math

   Questions 20-23. Atmospheric pressure decreases by about 12% for every kilometer you climb. The pressure at sea level is about 1013 atmospheres. How many atmospheres of pressure will you feel at 0.383 km? (highest point in

2. word problems

   In certain deep parts of oceans, the pressure of sea water, in pounds per square foot, at a depth of d feet below the surface, is given by P=16+7d/11 If a scientific team uses special equipment to measures the pressure under water

3. math

   p=14.63⋅0.8 Atmospheric pressure, measured in pounds per square inch p, s, i is the force exerted by Earth's atmosphere over a given area. The atmospheric pressure, p, exerted on an airplane flying at an altitude of a miles

4. math

   The pressure on a scuba diver at sea level is 14.7 pounds per sq inch (psi). The pressure increases 0.445 psi for each foot of depth. Suppose the pressure on a diver is 41.4 psi. How deep is she?

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