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一道SAT数学题Atthesurfaceoftheocean,thewaterpressureisthesameastheairpressureabovethewater,15lb/in2.Belowthesurface,thewaterpressureincreasesby4.34lb/in2forevery10ftofdescent.(a)Expressthewaterpressureinlb/i
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一道SAT数学题
At the surface of the ocean,the water pressure is the same as the air pressure above the water,15 lb/in2.Below the surface,the water pressure increases by 4.34 lb/in2 for every 10 ft of descent.
(a) Express the water pressure in lb/in2 as a function of the depth d in feet below the ocean surface.
At the surface of the ocean,the water pressure is the same as the air pressure above the water,15 lb/in2.Below the surface,the water pressure increases by 4.34 lb/in2 for every 10 ft of descent.
(a) Express the water pressure in lb/in2 as a function of the depth d in feet below the ocean surface.
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答案和解析
expression:Dp=15+4.34/10*d
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