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3 years ago

i have 110,000 rolls of film. Each film weighs 4.70 ounces. How much would it cost me to have them moved at $.046 per pound?

Mathematics

1 answer:

liraira [26]3 years ago

8 0

Take110,000x4.70=517,000 take that and divide by 16=32312.5 pounds and multiply by .046=1486.375$

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b) $12000\ lb/ft^2$

Step-by-step explanation:

Given : A weight of 18,000 lb is supported on a rectangular base plate that is 9 in. wide and 2 ft long. The base plate rests on a concrete slab.

To find : Determine the stress that the base plate exerts on the concrete slab. Express your answer in units of (a) lb/in². and (b) lb/ft².

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a) A rectangular base plate that is 9 in. wide and 2 ft long.

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The area of the rectangular base is $A=l\times b$

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The weight is W=18,000 lb.

The stress that the base plate exerts on the concrete slab is given by,

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$S=\frac{18000\ lb}{1.5\ ft^2}$

$S=12000\ lb/ft^2$

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