Simplify and add or subtract wherever possible.20
- 10
A. 30
B. 10
C. 10
D. 30
Answer: B
Mathematics
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Identify the graph of the pair of parametric equations.x = -8 cos t, y = 8 sin t
A. Circle B. Ellipse C. Line D. Parabola
Mathematics
Solve the system of equations using the inverse of the coefficient matrix.
A. x = -9, y = 5, z = 18 B. x = 9, y = 4, z = 5 C. x = 9, y = 5, z = 4 D. The system is inconsistent.
Mathematics
Solve.The highest point at at oil drilling operation is the top of the 78-foot-high oil drilling rig. The lowest point the drill head has reached so far is -213 feet. How far above the drill head is the top of the oil drilling rig?
A. -291 ft B. 291 ft C. -213 ft D. 135 ft
Mathematics
Determine whether the statement is true or false.The sum of zero and a positive number is always a negative number.
A. True B. False
Mathematics