Answer:
7 seconds per song?
Step-by-step explanation:
Answer:
36 squares.
Step-by-step explanation:
Number of squares in each step is triangular number. This form a triangular series.
1 , 3 , 6 , 10........
Number of squares in each step is given by
here , n is the step or term.
n = 8
Answer:
yes and b
Step-by-step explanation:
Answer: f(x)=200•(0.85)^x
Step-by-step explanation:
C(t) is the actual value of the function at time t
Co is the initial value of C at t=0
r is the decaying rate, expressed in decimal
Depreciation is often modeled as an exponential decay function. Since Jim bought a skateboard for Co=$200, its value will depreciate by r=15% = 0.15 each year since buying it.
Answer:
k=5
Step-by-step explanation: