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3241004551 [841]
3 years ago
8

(Apex Question, Help?)

Mathematics
1 answer:
mixas84 [53]3 years ago
8 0
Yea its D. Can I please get brainliest?
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50 POINTS!! Pleasee helppppp!!! A scientific journal recently reported that there are currently 2400 black rhinos in the world t
Harman [31]

Answer:

C

Step-by-step explanation:

So, we started out with 2,400 black rhinos.

And we know that they are declining at a rate of 10% per year.

In other words, each subsequent year will only have <em>90%</em> of the previous year's rhinos.

Therefore, our function is:

f(x)=2400(.9)^x

We can do some elimination first.

First, the starting point or y-intercept <em>must </em>be 2400 since that's the number of rhinos we started out with.

Therefore, we can eliminate A and D.

From the remaining choices B or C, we can technically also eliminate B. This is because from our function, we know it's exponential decay, and exponential decay is <em>not</em> a straight line.

However, to double check, let's check the population after 10 years using our function. So:

f(10)=2400(.9)^{10}

Use a calculator:

f(10)\approx837

So, after 10 years, the population should be around 840.

B is definitely <em>not</em> 840 (at x=10). However, C is right around it.

Therefore, we can conclude that C is the right answer.

And we're done!

6 0
3 years ago
4-5 (2-1)=how to sove it
DerKrebs [107]
4 - 5(2 - 1) = \: ?

PEMDAS states to do what's in the parenthesis first...

4 - 5(1)

PEMDAS states to multiply 5 by 1 next...

4 - 5

PEMDAS states to subtract 4 by 5 next...

= - 1

~~

I hope that helps you out!!

Any more questions, please feel free to ask me and I will gladly help you out!!

~Zoey
5 0
3 years ago
Help me please thanks ​
o-na [289]

Answer:

3<4x2=4-5

Step-by-step explanation:

8 0
3 years ago
If the interest rate is 10% a month what is the annual rate? 213.8?
Hatshy [7]
On month -------- 10%
12 month ---------- x %
-------------------------------
 x = 12*10/1 = 12*10 = 120% 
3 0
3 years ago
Dan bought 24 pounds of sugar for $10. how many dollars did he pu per pound of sugar
siniylev [52]

Step-by-step explanation:

10÷24= .41 cents per pound

7 0
2 years ago
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