Answer:
x=30
Step-by-step explanation:
to find the value of x you have to find K(constant number).

Answer:
3
Step-by-step explanation:
You would need exactly 9 correct questions to get a 50%.
We can find this by multiplying the total number of questions by the percentage we are looking for.
18*50% = 9
Amount after 9 years = 3600( 1 + 0.024)^9 = $4456.58
Given functions are


The total number of ducks and swans in the lake after n months can be determined by adding the functions s(n) and d(n).





Taking 2 as common, we get

Hence The total number of ducks and swans in the lake after n months is