Subtract.586
A. 554
B. 462
C. 610
D. 562
Answer: D
Mathematics
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Solve using the division principle.3b = -45
A. 1 B. 48 C. -15 D. -48
Mathematics
Write the inequality using interval notation. Graph the inequality.x < -5
A. (-?, -5]
B. (-?, -5)
C. [-5, ?)
D. (-5, ?)
Mathematics
The pH of a solution is given by the formula 
, where 
is the concentration of hydrogen ions in moles per liter in the solution. Use this formula to solve the problem.The pH value of a substance is 5.42. Find the hydrogen-ion concentration for this substance.
A. 263,026.8 B. 1.7 C. 0.2 D. 0.0000038
Mathematics
Identify any x-intercepts and y-intercepts in the graph respectively.
A. (-5, 0) and (0, 0); (0, -1) B. (-5, 0) and (0, 0); (0, 1) C. (-5, 0) and (1, 0); (0, -1) D. (5, 0) and (1, 0); (0, 1)
Mathematics