Ask question

Ask question

All categories

3 years ago

5

in an over-fished area, the catch of a certain type of fish is decreasing at an average rate of 8% per year. If this decline per

sists, how long will it take for the catch to reach half of the amount before the decline???

1 answer:

Galina-37 [17]3 years ago

4 0

<span>n = n0(1 - 0.08)^t
= n0(0.92)^t

Putting n = n0 / 2:
1 / 2 = 0.92^t
t = log(1 / 2) / log(0.92)
= 8.31 yr.</span><span>
</span>

You might be interested in

Willie had 55 baseball cards after trading with his friends. He traded 5 cards for one special card. Lee gave him 11 cards for a

Nikolay [14]

Answer:

49 baseball cards.

Step-by-step explanation:

First you want to add 5 cards to the 55 for the 5 he traded for the one. You get 60. Then subtract the 11 cards that he was given for the 1. You end up with 49 baseball cards.

8 0

3 years ago

The Least Squares Assumptions , where 1. The error term has conditional mean zero given : ; 2. , are independent and identic

Makovka662 [10]

Step-by-step explanation:

is satisfied but not (3). D. Neither OLS assumption (2) nor (3) is satisfied.

3 0

3 years ago

Fabio and Carlos play on a basketball team together. In the last game, Fabio had 777 points less than 222 times as many points a

liq [111]

Assuming it's 7, 2, and 31, you can set up (31+7)/2 is the amount that Carlos scored, which is 38/2 or 19.

8 0

3 years ago

Read 2 more answers

The amount Denise charges to repair computers is $50 an hour plus a $25 service fee. Write an expression to show how much she wi

k0ka [10]

The expression is

50h+25

50 times the number of hours, "h"
25 representing the one time service fee

6 0

4 years ago

Read 2 more answers

Addition 1.4 +1.8 what is the answer

zepelin [54]

Simple. The answer is 3.2.

3 0

3 years ago