Write the number in scientific notation.0.0000004
A. 4 × 106
B. 4 × 10-6
C. 4 × 107
D. 4 × 10-7
Answer: D
Mathematics
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Simplify.5 + 11
A. 16
B. 16
C. 16
D. 6
Mathematics
Solve.7x + 3 - 4(x + 1) = -4x - 5
A. x = -4
B. x = -
C. x = -
D. x =
Mathematics
Solve the system of equations using matrices. Use Gauss-Jordan elimination.
A. {(-3, 4, 6)} B. {(6, 4, -3)} C. {(3, 4, 7)} D. {(3, 7, 4)}
Mathematics
Find an equation for the graph.
A. y = -4 sin
B. y = -4 cos (3x)
C. y = -4 sin (3x)
D. y = -4 cos
Mathematics