Density. A density of a substance is inversely proportional to the volume of a substance. If for some substance the density is  figure 1.png)
when the volume of the substance is 6 m³, what will it be if the substance have volume 10 m³?
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 answer.png)
Mathematics
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Answer the question.If n is an odd number, then which of the following statements is true?
A. The equation xn + 1 = 0 has exactly one real root. B. The equation xn + 1 = 0 has n + 1 roots. C. The equation xn + 1 = 0 has an odd number of nonreal roots. D. The equation xn + 1 = 0 has an even number of real roots.
Mathematics
Multiply. Simplify, if necessary.
? 
? 
A. 
B. 
C. 
D. 
Mathematics
Solve. Round to the nearest tenth, if necessary.Find the amount of increase and the percent increase if the original amount is 260 and the new amount is 338.
A. 78; 40% B. 78; 30% C. 78; 130% D. 78; 25%
Mathematics
Find the expression.u = 
, v = 
Find 7u + 7v
A. 
B. 
C. 
D. 
Mathematics