Solve.What is the weight of a spherical steel tank with a diameter of 4.5 feet when it is full of water? Assume steel weighs 127 pounds per square foot and water weighs 62.4 pounds per cubic foot. Round to the nearest pound.

Fill in the blank(s) with the appropriate word(s).


11,057 pounds


Mathematics

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Solve.One method to determine the time since an animal died is to estimate the percentage of  remaining in its bones. The percent P in decimal form of  remaining x years is given by  Approximate (to the nearest whole year) the age of a fossil if there is 74% of  remaining.

A. -35,571 B. 2488 C. -16,541 D. 1081

Mathematics

Find the product.-  

A.
B.
C.
D. - 

Mathematics

Determine the domain and range of the relation.{(-1, 9), (5, 5), (-7, -9), (-7, -6)}

A. Domain: {-1, -7, 5, 7}; Range: {9, -9, 5, -6} B. Domain: {-1, -7, 5, -7};Range: {9, -9, 5, -6} C. Domain: {-1, -7, 5}; Range: {9, -9, 5, -6} D. Domain: {9, -9, 5, -6}; Range: {-1, -7, 5}

Mathematics

Is the set of odd natural numbers closed for the operation of multiplication? ?

A. yes  B. no 

Mathematics