Solve the problem.Suppose Janet could save $4 at the end of January, $8 at the end of February, $16 at the end of March, and so on. What amount would she have saved by the end of one year? Round to the nearest cent.
A. $8190.00
B. $252.00
C. $4095.00
D. $16,380.00
Answer: D
Mathematics
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- 5
A. 21
B. 31
C. 105
D. 21
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?Which of the following is true about integers? ?
A. ?All integers are whole numbers. B. ?All integers are real numbers. C. ?All integers are natural numbers. D. ?All negative numbers are integers. E. ?All of the above.
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Solve the system of equations.3x - 5y - 7z = 56x + 2y - 8z = 215x - 25y - 35z = -9
A. ? B. {(5, 2, -9)} C. {(5, 5, -1)} D. {(x,y,z) | 3x - 5y - 7z = 5}
Mathematics
Decide whether or not the given equation is an identity.
= tan y
A. Yes B. No
Mathematics