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Using the quadratic equation, solve 3x^2+2x-15 to two decimal places.

The quadratic equation is x=(-b+-SQRT(b^2-4ac))/2a. In this instance, a = 3, b = 2, and c = 15. Simply putting the numbers in place of the letter counterpart, gives an answer of 1.93 and -2.59 to two decimal...
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Answered by Callum F. • Maths tutor
6321 Views

What is ionic bonding and covalent bonding?

Bonding in chemistry involves the transfer or sharing of electrons. In the case of ionic bonding, one or more electrons are transfered from one atom to another leading to charged fragments, one that is posit...
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Answered by Kasra A. • Chemistry tutor
4180 Views

In a closed book exam how can I remeber quotes that demonstrate my understanding of the text?

In your revision it may be helpful to create a 'quote bank' of key quotes that you can keep referring to in your essays. As a further revision technique you could also write out or print out these quotes and...
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Answered by Stacey C. • English tutor
4228 Views

Explain the process of nuclear fission.

I would start by defining nuclear fission: 'Nuclear fission is the process of splitting up atoms and harnessing the energy from the reaction.' I would then proceed to explain how this occurs: 'Fission happen...
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Answered by Rob S. • Physics tutor
10947 Views

Define a franchise and explain the benefits to becoming a franchisee.

A franchise is an existing business that grants permission to another individual to sell the products and operate under the name of the existing business. Possible benefits to becoming a franchisee could be:...
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12313 Views