Maria invested $600 in three accounts. The savings account paid 5%, the Mutual fund paid 9% and the CD paid 7%. In one year, Maria earned $40 in interest. If she put three times as much in savings as she put in the CD and twice as much in the mutual fund as she put in the CD, how much money did she put in each account?

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Me find the value of x each figure.

Which geometric principle is used to justify the construction below?