3. (IFPE) Numa fazenda há 5 cavalos que consomem 300 kg de ração em 6 dias. Suponha que todos eles conso- mem por dia a mesma quantidade de ração. Com apenas 240 kg de raçăo, 12 cavalos iguais aos dessa fazenda seriam alimentados durante a) 1 dia. b) 2 dias. c) 3 dias. d) 4 dias. e)

28. Identifica la propiedad representada: \( 5(x+y)=5 x+5 y \) Asociativa Multiplicación Conmutativa suma Distributiva

\( A = \left( \begin{array} { c c } { 1 } & { 1 } \\ { 4 } & { - 2 } \\ { 2 } & { 4 } \end{array} \right) , B = \left( \begin{array} { c c c } { 1 } & { 2 } & { 0 } \\ { 5 } & { - 1 } & { - 3 } \end{array} \right) , C = \left( \begin{array} { c c } { 0 } & { - 1 } \\ { - 3 } & { 1 } \\ { 2 } & { 2 } \end{array} \right) \)

Example 5 Using a Graphing Utility to Use a graphing utility to graph \( x^{2}+y^{2}=9 \). Solution The graph of \( x^{2} \)

A North Carolina doctor needs to estimate the proportion of people in the state with asthma. The doctor conducts a randorn survey of 150 NC citizens and 7 of them report that they have asthma. Construct a \( 95 \% \) confidence interval for the proportion of NC citizens with asthma. A \( (0.9196,0.9871) \) (B) \( (0.9250,0.9817) \) (C) None of these answers are correct. (D) \( (1.94,12.06) \) (E) \( (137.94,148.06) \) (F) \( (0.0129,0.0804) \) (G) \( (0.0183,0.0750) \)

Mutations are permanent alterations in which of the following? tRNA DNA mRNA ribosomes snRNA