Solve.Find the hydrogen ion concentration of a solution whose pH is 5.5. Use the formula 
A. 3.16 × 105
B. 3.16 × 10-6
C. 0.74036269
D. -0.7403627
Answer: B
Mathematics
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. Round your answer to two decimal places, if nessary.
?
A. 
B. 
C. 
D. 
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Inventory carrying costs:
A. include the costs of generating memos, fax transmissions, etc. associated with placing an order with a supplier. B. generally increase in proportion to the average amount of inventory held. C. are fixed regardless of the average size of the inventory. D. are equal to the sum of total inventory costs and total ordering costs. E. are at maximum when a firm's order is equal to optimal quantity.
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Sketch the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 
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Simplify.
A. 
B. 
C. 
D. y11z13
Mathematics