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Monica [59]
3 years ago
12

Help someone I need help?

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
4 0
I think it is answer choice c because it lists the coefficients and how many of them. 6 “st”’s
amm18123 years ago
3 0
What you need to do is look at the number in front of all the variables.

a) 1
Explanation: how many ys are there? 1 is the answer. (The reason we don't NEED to write 1 before a variable is for the same reason that when I say I have 1 thing, I can just say I have a thing. I don't need to include the 1)

c) 6
Explanation: how many sts are there? 6 is the answer.

d) -15
Because a variable to the '0' power equals 1, we can write this as -15x^0 and then we can come to -15(1) which is just -15. We write is with the x^0 so that we can ask, how many x^0 are there? -15 is the answer.

e) -1
Explanation: just like the coefficient of JUST dh would be 1, the coefficient of NEGATIVE dh would be -1

f) 1
Explanation: how many bcs are there? The answer is 1.


Best of luck! :)
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Answer:

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Find all of the equilibrium solutions. Enter your answer as a list of ordered pairs (R,W), where R is the number of rabbits and
zloy xaker [14]

Answer:

(0,0)   (4000,0) and (500,79)

Step-by-step explanation:

Given

See attachment for complete question

Required

Determine the equilibrium solutions

We have:

\frac{dR}{dt} = 0.09R(1 - 0.00025R) - 0.001RW

\frac{dW}{dt} = -0.02W + 0.00004RW

To solve this, we first equate \frac{dR}{dt} and \frac{dW}{dt} to 0.

So, we have:

0.09R(1 - 0.00025R) - 0.001RW = 0

-0.02W + 0.00004RW = 0

Factor out R in 0.09R(1 - 0.00025R) - 0.001RW = 0

R(0.09(1 - 0.00025R) - 0.001W) = 0

Split

R = 0   or 0.09(1 - 0.00025R) - 0.001W = 0

R = 0   or  0.09 - 2.25 * 10^{-5}R - 0.001W = 0

Factor out W in -0.02W + 0.00004RW = 0

W(-0.02 + 0.00004R) = 0

Split

W = 0 or -0.02 + 0.00004R = 0

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-0.02 + 0.00004R = 0

0.00004R = 0.02

Make R the subject

R = \frac{0.02}{0.00004}

R = 500

When R = 500, we have:

0.09 - 2.25 * 10^{-5}R - 0.001W = 0

0.09 -2.25 * 10^{-5} * 500 - 0.001W = 0

0.09 -0.01125 - 0.001W = 0

0.07875 - 0.001W = 0

Collect like terms

- 0.001W = -0.07875

Solve for W

W = \frac{-0.07875}{ - 0.001}

W = 78.75

W \approx 79

(R,W) \to (500,79)

When W = 0, we have:

0.09 - 2.25 * 10^{-5}R - 0.001W = 0

0.09 - 2.25 * 10^{-5}R - 0.001*0 = 0

0.09 - 2.25 * 10^{-5}R = 0

Collect like terms

- 2.25 * 10^{-5}R = -0.09

Solve for R

R = \frac{-0.09}{- 2.25 * 10^{-5}}

R = 4000

So, we have:

(R,W) \to (4000,0)

When R =0, we have:

-0.02W + 0.00004RW = 0

-0.02W + 0.00004W*0 = 0

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So, we have:

(R,W) \to (0,0)

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4 0
2 years ago
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ddd [48]
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