Use the formula B = P + Prt, which is used to calculate the balance in an account if simple interest is added to a principal P at an interest rate of r for t years.Suppose that an account earns 6.4% interest and after five years the balance is $7,754.00. Find the principle that was invested.
A. $11,402.94
B. $5,286.82
C. $7,049.09
D. $5,874.24
Answer: D
Mathematics
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A. 121 feet by 121 feet B. 11 feet by 11 feet C. 9 feet by 13 feet D. 15 feet by 9 feet
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Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sin (-120°)
A. 
B. 
C. 
D. - 
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?Solve the system of linear equations
using an inverse matrix.
?
A. ?
?
B. ?
C. ?
D. ?
E. ?
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