Answer:
Apparent Increase in Wave Frequency
As the ambulance approaches you, the distance between the source of the waves and the observer decreases. Consequently, the siren sounds more shrill as the pitch of the wailing siren 'sounds' higher than its original value, as sound waves reach you 'more frequently'.
Step-by-step explanation
hope this helps
Answer:
50%
Step-by-step explanation:
If n=250, then 50% of n can also be described as n divided by 2.
50% of n = 250/2 = 125
answer: 125
the answer is c.
you have to multiply by -3 on both sides to get c on its own.
therefore, c is greater than or equal to -9.
in a, c is less than or equal to 9 so thats not the answer.
In b, c is greater than or equal to 9 but it has to be -9.
in d, c is less than or equal to -9.
the answer is c
Your question: The turtle population on an island is declining at a rate of 1.4% per year. The population was 3800 in the year 2009. What is the best prediction of the population in the year 2014? Round to the nearest whole number.
Answer: 3541
Good luck mate, remember to always look through notes and so-forth.
