Solve the equation in the complex number system.x2 + 144 = 0
A. {12}
B. {12i}
C. {-12, 12}
D. {-12i, 12i}
Answer: D
Mathematics
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Express the number in scientific notation.870,000
A. 8.7 × 105 B. 8.7 × 104 C. 8.7 × 10-4 D. 8.7 × 10-5
Mathematics
A blenders blade is 2.5 inches long and rotates at 5000 revolutions per minute. What is the linear velocity of a a point on the end of the blade?
What will be an ideal response?
Mathematics
Solve the system of equations using substitution. State whether the system is inconsistent, or consistent and dependent.
A. infinitely many solutions; inconsistent B. no solution; consistent and dependent C. infinitely many solutions; consistent and dependent D. no solution; inconsistent
Mathematics
Find functions f and g so that f ? g = H.H(x) = ?6x + 3?
A.
| f(x) = ?-x?; | g(x) = 6x - 3 |
B.
| f(x) = ?x?; | g(x) = 6x + 3 |
C.
| f(x) = x; | g(x) = 6x + 3 |
D.
| f(x) = -?x?; | g(x) = 6x + 3 |
Mathematics