Answer:
Step-by-step explanation:
Compound increase
20,000 x 1.06 to power of 9 = 33789 <u><em>OR</em></u> 33790
/\ /\
increase by 6% 9 years
Cheack the expononets may be it wrong harder to get
The equation will be of the form:

where A is the amount after t hours, and r is the decay constant.
To find the value of r, we plug the given values into the equation, giving:

Rearranging and taking natural logs of both sides, we get:


The required model is:
Answer:
positive 200 or +200
Step-by-step explanation:
If we're only counting 5 vowels (A, E, I, O, U) and 20 consonants (everything else, minus T), then there are

ways of picking the vowels, and

ways of picking the consonants.
We want the word to start with T, and we'll allow any arrangement of the other 4 letters, so that the total number of words is

Keep in mind that this means words like TRIES and TIRES are treated as different.