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September 20, 2014

September 20, 2014

Posted by **alanaR.** on Thursday, August 26, 2010 at 10:03pm.

the air around u puts pressure on ur body equal 14.7 pounds per square inch (psi). when you are underwater, the water exerts additional pressure on ur body. for each foot u r below the surface of the water, the pressure increases by 0.445 psi.

a) what does 14.7 represent in the 14.7 + 0.445d? my answer pounds..( is it correct?)

b) what does d presents in the expression?

c) what is the total pressire exerted on a person's body when d=8 ft?

pls help me with this one

- algebra 1 -
**PsyDAG**, Saturday, August 28, 2010 at 2:13pm14.7 psi is the base value of pressure out of water.

psi = pounds per square inch

d = depth in feet

14.7 + .445 * 8 = ?

- algebra 1 -
**Sandip**, Friday, January 28, 2011 at 4:45amThe answer shoud be a 121.02 psi

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