Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.A hemisphere with radius 1.05 m

A. 4.8 m3 
B. 1.4 m3
C. 2.7 m3 
D. 2.4 m3 


Answer: D

Mathematics

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Find the area of the surface generated by revolving the curve about the indicated axis.  y = , 3/2 ? x ? 9/2; x-axis

A. ?
B. ?
C.  ?
D.  ?

Mathematics

Find the particular solution to the given differential equation that satisfies the given conditions.5D2y - 7 Dy = 0; y = 0 when x = 0, and y= 4 when x =  

A. y =  - e(7/5)x 
B. y = -  + e(7/5)x 
C. y = -  + e(-7/5)x 
D. y =  - e(-7/5)x 

Mathematics

Solve the problem.If the density of a substance is 1.17 × 10-6 tons per cubic foot, what would be the mass of 3.51 × 10-6 cubic feet of this substance. (Use the formula D =  and round to the nearest hundredth, if necessary.)

A. 0.41 × 10-12 tons B. 4.11 × 10-13 tons C. 4.11 × 10-11 tons D. 4.11 × 10-12 tons

Mathematics

Locate the fraction on the number line. 

A.
 

B.
 

C.
 

D.
 

Mathematics