<span>As we know that the
k = ln(2)/t½
so putting values
= ln(2)/5556 years
</span><span> =0.6931471/5556
</span> =0.0001247565yr⁻
Answer:
225 feet
Step-by-step explanation:
x - 150
30 - 20
(150 * 30)/20 = 225
The UFO moved at 132 mph if i did my calculations correct ;)
You meant to say x^2 - 49 and the second binomial is x^2 - 16.
x^2 - 49 = (x - 7) (x + 7).
Set each factor to 0 and solve for x individually.
x - 7 = 0
x = 7
x + 7 = 0
x = -7
Do the same for x^2 - 16.
Here is the set up:
x^2 - 16 = (x - 4) (x + 4).
Take it from here.
Answer:
7.35714285...
Step-by-step explanation:
