Multiply.9.78(-88.71)
A. 86.75838
B. -8675.838
C. 86,758.38
D. -867.5838
Answer: D
Mathematics
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Solve by the substitution method.x + 2y = -5-7x + 3y = 35
A. {(5, -1)} B. {(x, y)|x + 2y = -5} C. {(-5, 0)} D. ?
Mathematics
Use Stokes's Theorem to calculate 
.F = -3x2yi + 3xy2j + z5k; S is the portion of the paraboloid 1 - x2 - y2 = z that lies above the x-y plane
A. 6
B. 6?
C. 1?
D. 
?
Mathematics
Evaluate the integral using the given substitution.
, u = cot 7?
A. - 
cot2 7? + C
B. 
csc3 7? cot2 7? + C
C. 
cot2 ? + C
D. - 
tan2 7? + C
Mathematics
Simplify the algebraic expression.9a + 6 - 3a
A. 12a + 6 B. 12a C. 6a + 6 D. -6a + 6
Mathematics