Solve.How can $56,000 be invested, part at 4% annual interest and the remainder at 10% annual interest, so that the interest earned by the two accounts is equal at the end of the year?
A. $30,000 invested at 4%; $26,000 invested at 10%
B. $26,000 invested at 4%; $30,000 invested at 10%
C. $40,000 invested at 4%; $16,000 invested at 10%
D. $16,000 invested at 4%; $40,000 invested at 10%
Answer: C
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Calculate the flow in the field F along the path C.F = - 
i + 
j + 
k , C is the curve 
0 ? t ? 1
A. 
B. 0
C. 
D. 
Sketch the curve.The equation of a hyperbola with center (h, k) and transverse axis parallel to the 
is 
Sketch the hyperbola that has a transverse axis of 6, a conjugate axis of 4, and for which (h, k) is (2, -3).
A. 
B. 
C. 
D. 
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