What is the percent concentration of a solution that contains 25 g of glucose in 500 mL of water?
A. 25%
B. 2.5%
C. 50%
D. 5%
Answer: D
Mathematics
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Find the derivative.y = (csc x + cot x)(csc x - cot x)
A. y ' = - csc x cot x B. y ' = - csc2 x C. y ' = 0 D. y ' = 1
Mathematics
Establish the identity.tan
= -cot x
What will be an ideal response?
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Suppose that 30% of all small businesses are undercapitalized, 40% of all undercapitalized small business fail, and 20% of all small businesses that are not undercapitalized fail. A small business is chosen at random and is found to have failed. Find the probability that the business was undercapitalized.
A. 
B. 
C. 
D. 
E. none of these
Mathematics