Solve the equation.
= 9
A. {80}
B. {20}
C. {40}
D. {-40}
Answer: C
Mathematics
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Subtract. -
A. x4 +
x2
B. x4 +
x2 +
C. x4 +
x2
D. x4 +
x2 +
Mathematics
21 - 7
A. 70
B. 14
C. 28
D. 14
Mathematics
Find parametric equations for the rectangular equation.y = 3x2 + 6
A. x = t2; y = 3t + 6; 0 ? t < ?
B. x = ; y = 3t + 6; t ? 0
C. y = t; x = 3t2 + 6; 0 ? t < ?
D. x = t; y = 3t2 + 6; 0 ? t < ?
Mathematics
Solve the problem.A computer is purchased for $4600. Its value each year is about 79% of the value the preceding year. Its value, in dollars, after t years is given by the exponential function V(t) = 4600(0.79)t. Find the value of the computer after 6 years. Round to the nearest cent.
A. $883.38 B. $1118.20 C. $697.87 D. $21,804.00
Mathematics