0=65-10t-5t^2
now what you want to do is multiply a and c
-5(t^2+2t-13)
Now just find the zeros
Answer:
[0,1.75]
Step-by-step explanation:
range is the y value
Answer:
The population in 2015 will be 165 million.
Step-by-step explanation:
The exponential growth formula is given by:

Where:
a: is the initial population
r: is the rate of increase
Δt: is the time
With the initial information we can find the rate:
Using logarithm:
Using exponential:

Now, we can find the estimated population in 2015:
Therefore, the population in 2015 will be 165 million.
I hope it helps you!
Answer:
It should be 6
Step-by-step explanation:
birds have 2 legs so - 3x2=6
30-6=24
cats have 4 legs so - 24/4 =6
Hope this helps :)
Answer:
find the value by your nearest round estimate