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8. Create the differential equation. And then solve the differential equation. 9. If you know the trig identities such as 1 + tan^2(theta) = sec^2(theta). You just need to give it go and see how things turn out.

If you understand the question you should be able to get the answer. 15% comes from the question. We are told x is the number of gram of undissolved salt. The number of grams of undissolved salt is decreasing over time. Therefore the answer is dx/dt = -(15/100)*x

None of the options are correct. The answer is dx/dt = -15/100 * x

I am not sure exactly what they mean by eliminate. My guess: you can attempt to make t the subject in one of the equations. Then just substitute.

Most likely second line will involve mean since they want the probability. So it will the 3rd or 4th option most likely. So there are 5000 samples and each sample consist of 1000 oysters. The next step will be to understand the code. Since I am not familiar with R I cannot help you. All the best.

https://thirdspacelearning.com/gcse-maths/statistics/capture-recapture/ The link above will tell you what each variable is. All the best.

Doing a quick google search it seems to be just fraction manipulation but in the context of ecology. You should be able to solve this problem even if it is not taught. The only tricky bit would be setting up the equation if you seeing it for the first time.

Have you consider incorporating TAFE with high school? i.e. Do biology/chemistry in TAFE alongside high school. In addition some students may drop out at some point. This will mean you could enroll back in.

The amount working out will depend on the precise context. You do not need to write down the theorem. It will be understood from the working out you know the theroem. For probability trees, if the question asked explicitly for probability trees then yes. Differentiate (x^2)/(x^2 +1)"? You can...

No, calculus 1 seems more advance. However it does not cover differential equations. I would recommend you refer to Terry Lee.

This is Wilson's Theorem https://en.wikipedia.org/wiki/Wilson%27s_theorem

For B, arbitrarily choose any value of x let say x = 2. Since it needs to hold for all y this means that 2 + y = 10 for all y which is clearly False.

I would mention A can be positive or negative. It is better to communicate.

You do not need simulation as the question quite simple. It cost $10 to play. You can win at most $20 Therefore profit = 20 -10 = $10

Although it is not a direct answer: Often when you are performing numerical calculations you don't have to simplify you can just give your answer to 2 decimal places unless they specify they want exact answer. Having a quick look at the 2022 paper, most the calculation quite numerical rather...

TL^2 + 5TL - 126 = 0

Then you should be aiming for MX1.

Interesting, it seems like you can't use AM-GM inequality without proof going by Terry Lee textbook. Personally I think you should be able to use it without proof.

I would go for it if and only if you are interested in civil engineering. #Secondly, it's a 4-year role It only says you need complete the associate degree in a 4 year period. Generally university is quite laid back, and your work experience might help with your uni projects. See Q20, it...

17, 13 are included. The is because 13, 17 meet the criteria.