Provide an appropriate response.Your friend started a savings plan with 2 pennies and each day he doubled the amount saved. Later you started a savings plan with 4 pennies and each day you quadrupled the amount saved. Your friend has been saving for 6 less than 3 times as many days as you. In two days you will put the same amount in savings as your friend. How many days have you been saving?
Fill in the blank(s) with the appropriate word(s).
8 days
Mathematics
You might also like to view...
Solve the differential equation subject to the initial conditions.y' + y = 2ex; y = 20 when x = 0
A. y = 4e2 + 20e-x B. y = 2ex + 17e-x C. y = 20ex D. y = ex + 19e-x
Mathematics
Graph the parabola.x = -4y2
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Solve, checking for extraneous roots: 
= 
A. x = -4 B. x = 4 C. x = -18 D. x = 18
Mathematics
Use the graph to find the indicated function value.y = f(x). Find f(4)
A. 9 B. -9 C. 7 D. 1.5
Mathematics