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y is proportional to x^2 and that when y = 75, x = 5. Find a formula for y in terms of x and find y when x=3

In a proportional equation, you represent the factor of proportionality as k. In this case it means that y=kx^2. In the question you're given a number for both y and x. Sub these in in order to solve for ...

KI
Answered by Kesem I. Maths tutor
4428 Views

What is the conservation of mass and what does this mean in relation to equations?

No atoms are lost or made during a chemical reaction, so the total mass of the products is equal to the total mass of the reactants.

KI
Answered by Kesem I. Chemistry tutor
2359 Views

Analyse how a capital intensive workforce will benefit a business? (9 marks

By adopting a capital intensive workforce, the business will ensure consistency as machinery will have less defects than humans. As a result, it will mean that the business will make products with a consi...

AM
2873 Views

How to find the exact formula of the function if the graph of it is given?

To begin with, answering this question requires basic knowledge of simple Mathematical function and ability to solve simultaneous equations. One thing you need to be able to do is recognising what kind of...

JZ
Answered by Jokubas Z. Maths tutor
2898 Views

Describe the similarities and differences between the processes of diffusion and osmosis

Similarities: Molecules move from high to low concentrations in both diffusion and osmosis, meaning down a concentration gradient. Neither process requires ATP (energy). Both process occur across a select...

CH
Answered by Clara H. Biology tutor
20149 Views

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