Express the number in scientific notation.0.0000004
A. 4 × 10-6
B. 4 × 10-8
C. 4 × 10-7
D. 4 × 10-9
Answer: C
Mathematics
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Use the formula v = r? to find the value of the missing variable. Give an exact answer unless otherwise indicated.v = 218.9 m per sec, ? = 0.63361 radian per sec (Round to four decimal places when necessary.)
A. 69.6779 m B. 4.9583 m C. 345.4807 m D. 0.0029 m
Mathematics
Determine the phase shift of the function.y = 
sin (5x + ?)
A. 
B. -?
C. - 
D. 
Mathematics
Solve the system by inspecting the graph of the equations.x + 5y = -145x - 5y = 20
A. 
B. 
C. ?
D. 
Mathematics
Factor out the greatest common factor, or a negative common factor if the coefficient of the term of greatest degree is negative.-10s6 + 40s3
A. -s3(10s3 + 40) B. 30(s3 + 4s) C. -10s3(s3 + 4) D. -10s3(s3 - 4)
Mathematics