Use the formula relating amperes, ohms, and voltage to solve the problem.V = irA technician measures the current in a circuit to be -6.2 amperes and the resistance is 7 ohms. Find the voltage.
A. 0.8 V
B. -43.4 V
C. -0.886 V
D. 1.129 V
Answer: B
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Solve the polynomial inequality. Express the solution using interval notation.x3 + 4x2 > x + 4
A. (-1, 1) ? (4, ?) B. (-?, - 1) ? (1, 4) C. (- 4, -1) ? (1, ?) D. (-?, - 4) ? (-1, 1)
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 - 4x - 5
A. vertex (2, 9)
intercepts (5, 0), (- 1, 0), (0, 5)
B. vertex (-2, 9)
intercepts (-5, 0), (1, 0), (0, 5)
C. vertex (-2, -9)
intercepts (-5, 0), (1, 0), (0, -5)
D. vertex (2, -9)
intercepts (5, 0), (- 1, 0), (0, -5)
Provide an appropriate response.All states require the same types and amounts of insurance coverage on motor vehicles.
A. True B. False
If possible, simplify the expression. If any variables exist, assume that they are positive.4
- 3x
A. (4 - 3x)
B. x
C. 2x
D. Not possible