A residential building contractor borrowed $29,000 to complete a new home. Some of the money was borrowed at 4%, some at 6%, and some at 7%. How much was borrowed at each rate if the annual interest owed was $1,580 and the amount borrowed at 6% is two times more than the amount borrowed at 7%?
A. $11,000 at 4%; $12,000 at 6%; $6,000 at 7%
B. $9,000 at 4%; $14,000 at 6%; $6,000 at 7%
C. $9,000 at 4%; $13,000 at 6%; $7,000 at 7%
D. $10,000 at 4%; $10,000 at 6%; $8,000 at 7%
E. $10,000 at 4%; $14,000 at 6%; $7,000 at 7%
Answer: A
Mathematics
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Show that the set has cardinal number ?0 by establishing a one-to-one correspondence between the set of counting numbers and the given set. Be sure to show the pairing of the general terms in the sets.
A.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
B.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
C.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
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D.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
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Graph.3y + 27x = -18
A. 
B. 
C. 
D. 
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Compare the decimal numbers, and insert <, >, or = to form a true statement.458,000 
0.0458
A. > B. = C. <
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