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Molodets [167]
3 years ago
10

Consider the following systems of rate of change equations:System A(dx/dt)= 3x(1-(x/10))- 20xy(dy/dt)= -5y+(xy/20)System B(dx/dt

)= 0.3x-(xy/100)(dy/dt)= 15y(1-(y/17))+25xyIn both of these systems, x and y refer to the number of two different species at time t. In particular, in one of these systems the prey are large animals and the predators are small animals, such as piranhas and humans. Thus it takes many predators to eat one prey, but each prey eaten is a tremendous benefit for the predator population. The other system has very large predators and very small prey.
Mathematics
1 answer:
VLD [36.1K]3 years ago
6 0

Answer:

Knowing others is intelligence; knowing yourself is true wisdom. mastering others is strength; mastering yourself is true power. if you realize that you have enough, you are truly rich, "And the cause of not following your heart, is in spending the rest of your life wishing you had."

Explanation:

I need points so SORRY!

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Someone please help me!!!
Paha777 [63]

Answer:

8

Step-by-step explanation:

\cos(51)  =  \frac{5.3}{x}

X = 5.3/0.6293

X = 8.4

4 0
3 years ago
What is the full form of ASAP.​
ikadub [295]

Answer:

As soon as possible

Step-by-step explanation:

The abbreviation of As soon as possible is ASAP.

7 0
4 years ago
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The answer to a division problem is greater than the divisor always never or sometimes pick one
Ksenya-84 [330]
Sometimes..... 
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8 0
3 years ago
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PLEASE HELP
kotykmax [81]

Answer:

\displaystyle y=-\frac{1}{2}x+\frac{11}{2}

Step-by-step explanation:

<u>Equation of the Line</u>

A line of slope m and y-intercept b can be expressed by the equation:

y=mx+b

The given line has the equation:

8x-4y=-24

Let's express it in the correct form:

-4y=-24-8x

Dividing by -4

y=2x+6

The slope of this line is m1=2. To find the slope m2 of a line perpendicular to this one, we use the following equation:

m_1.m_2=-1

Solving for m2:

\displaystyle m_2=-\frac{1}{m_1}

\displaystyle m_2=-\frac{1}{2}

The required equation has the form:

\displaystyle y=-\frac{1}{2}x+b

To find b, we use the point (3,4) through which the line passes:

\displaystyle 4=-\frac{1}{2}(3)+b

\displaystyle b=4+\frac{3}{2}=\frac{11}{2}

Thus the equation of the line is:

\boxed{\displaystyle y=-\frac{1}{2}x+\frac{11}{2}}

5 0
3 years ago
In the figure, ABC and DEF are similar. What's the scale factor from ABC to DEF?
Elena-2011 [213]

Answer:

3

Step-by-step explanation:

The scale factor of ABC to DEF is the number you need to multiply a corresponding side of ABC to get one of DBC. We are given the two triangles are similar, so we can say that sides AB and DE are proportional. We are looking for the number we need to multiply AB by to get DE. From this relation, we can get the equation:

AB * x = DE

where x is our scale factor. We can substitute in the values of AB and DE, and solve for x:

5x = 15

x = 3

Therefore, the scale factor is three. This means that you can multiply any side of ABC by 3 to get a side of DEF.

7 0
3 years ago
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