3.) Draw a model, write an equation, and solve the problem: Jackie's car can travel \( 30 \) miles on one gallon of gas and each gallon of gas costs \( \$ 2.25 \) . How much will it cost for Jackie to drive \( 450 \) miles?
Pregunta
Answer
Related Questions
Q:
Find the solution of the exponential equation \( 16 e ^ { x } = 12 \) in terms of logarithms, or correct to four decimal places. \( x = \)
Q:
Certain radioactive material decays in such a way that the mass remaining after \( t \) years is given by the function
\( m ( t ) = 100 e ^ { - 0.01 t } \)
where \( m ( t ) \) is measured in grams. (a) Find the mass at time \( t = 0 \) . Your answer is (b) How much of the mass remains after \( 20 \) years? Your answer is Round answers to \( 1 \) decimal place.