Solve the problem.Suppose 6 cards are drawn from a deck of 52 cards. What is the probability of drawing 4 spades and 2 hearts?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the product.(x - y)(x2 - 3xy + y2)
A. x3 + 4x2y - 4xy2 - y3 B. x3 - 2x2y + 2xy2 - y3 C. x3 + 2x2y - 2xy2 - y3 D. x3 - 4x2y + 4xy2 - y3
Mathematics
Calculate the circulation of the field F around the closed curve C.F = y3i + x2j; curve C is the counterclockwise path around the triangle with vertices at 
, and 
A. 
B. 0
C. - 
D. 
Mathematics
Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 5 cos ?
A. 25?
B. 
?
C. 
?
D. 
?
Mathematics
Solve.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 849 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 952 km to 365 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics