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Marina86 [1]
3 years ago
12

Part one: How do you solve a system of equations approximately using graphs and tables?

Mathematics
1 answer:
tatiyna3 years ago
5 0
This problem can be solve by graphing (technology), as suggested. 
The answer is posted as an attached image.  We see that after about 14.75 years, the invading species will surpass the indigenous population.

If it needs to be solved mathematically and accurately, the math is a little more advanced, using the bisection method, or Newton's method.
However, we can also do that by trial and error, starting from 14.75.  It is easier than you might think.

Post if you would like to have more information on one or the other methods.

Note: the scale of y has been shrunk by 1000, so each unit on the y-axis represents 1000 frogs.

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7x-5y=-15 and -14x+7y=0 Solve by elimination
geniusboy [140]

Answer: (5,10)

Step-by-step explanation:

multiply first equation with 2 and add it to second to eliminate X

7x-5y=-15  //*2

14x-10y=-30

-14x+7y=0

----------------

-3y=-30

y=-30/-3

y=10

7x=50-15

7x=35

x=35/7

x=5

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umka2103 [35]

Answer:

As a mixed number, 8/3 is equal to 2-2/3.

Step-by-step explanation:

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2 years ago
In triangle ABC, AC is a median. The value of AC is:<br><br> A. 34<br><br> B. 6 <br><br> C. 28
Levart [38]

x+2 = 28

x = 28-2 = 26


AC = X+8 = 26+8 = 34

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3 years ago
Figures that have the same size and same shape. Their corresponding angles and sides are the same size. whats the answer?
Irina-Kira [14]

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How can I solve (n+1) x 2= 10 <br> Please someone answer :(
Ray Of Light [21]
(n+1)x 2=10 
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