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lubasha [3.4K]
3 years ago
5

What is this number written in word form? 4,139,000 no links

Mathematics
2 answers:
Elan Coil [88]3 years ago
5 0

Answer:

Four million, one hundred thirty-nine thousand

Sveta_85 [38]3 years ago
3 0

Answer:

h

Step-by-step explanation:

cyxctx9otxfizfizgbjmkk

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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
Solve the system of equations given below
yaroslaw [1]

Answer:

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Step-by-step explanation:

5 0
3 years ago
The table below represents the function F
nikklg [1K]

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Step-by-step explanation:

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6 0
3 years ago
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Which of the following graphs represents exponential decay?
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Step-by-step explanation:

C is the only viable answer, because it it the only one that decreases as x approaches infinity. Exponential decay decreases, hence the decay part.

6 0
3 years ago
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If f(x) = 5x, what is f–1(x)?
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To get the inverse of a function interchange
the x's with the y'x and solve for y, as follows:
y=5x-7


Interchange to get:
x=5y-7
Solve for y to get:
y=(1/5)x+(7/5)

so I think it might be c


4 0
3 years ago
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