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Umnica [9.8K]
3 years ago
8

It is reported that the wild gorilla population has declined by 70% over the last 10 years. There are now 4,000 gorillas left in

the wild. To the nearest thousand, how many gorillas were there 10 years ago?
Mathematics
1 answer:
Cloud [144]3 years ago
3 0
I will try to get back to you a little later
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(5a+2)(a+4)=<br> this is supposed to be a polynomial in standard form
Shkiper50 [21]

Answer:

5a²+22a+8

Step-by-step explanation:

(5a×a)+(5a×4)+(2×a)+(2×4)

=5a²+20a+2a+8

=5a²+22a+8

7 0
2 years ago
X+2y=12. what does x equal​
PilotLPTM [1.2K]

Answer:

x = -2y + 12

Step-by-step explanation:

Let's solve for x.

x + 2y = 12

Step 1: Add -2y to both sides.

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4 0
3 years ago
Is the centroid of a triangle equidistant from the three vertices?
Xelga [282]
The point that is equidistant<span> to all sides of a </span>triangle is <span>called the incenter.

</span>
4 0
3 years ago
5. Which polygon is always regular?
Feliz [49]
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7 0
3 years ago
Explain how to determine which numbers must be excluded from the domain of a rational expression. Please provide an example with
Katarina [22]

Answer:

  • When we are having a rational expression i.e. a expression of the type:

\dfrac{f(x)}{g(x)}

Where f(x) and g(x) are polynomial functions.

Now the domain of this rational expression is whole of the real numbers except the points where the function g(x) will be zero.

Hence we have to exclude the points where the given denominator quantity is zero.

  • Let us consider an example as:

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Now the domain of this rational function will be whole of the real line minus the points where the denominator is zero.

We know that (x-2)(x-3) is zero when x=2 or x=3.

Hence, the domain of R(x) is: R- {2,3}.

7 0
3 years ago
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