Answer:
The perfect square number between 40 and 50 is 49 which is a square of 7.
Answer:
The final result is 1
Step-by-step explanation:
Remember the following:

And that x^0= 1
We have: 8^7 / 8^7= 8 ^ (7-7)=8^0=1
Answer:
t=11,11 days
Step-by-step explanation:
F=frogs poblation, t=time, be the variables dF/dt = KF, dF/F=Kdt, integrating
⇒ LnF=Kt+c,
; Knowing t=0, F=17 and t=6 F=51 (tripling every 6 days (17*3)),
⇒
, so
, now if F=130, t=? we have:

Answer: 2u+11i-3j
Step-by-step explanation: plug in -11i+3j for v
distribute negative sign