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Simplify 125^(-2/3)

Simplify 125-2/3
A negative indices means that we need to reciprocate the number or "flip it":
125-2/3 = (1/125)2/3
A fractional indices can be sp...

BH
Answered by Bethan H. Maths tutor
5657 Views

I’m having some trouble understanding functions. Mainly concerning how to know what the input and outputs are. Could you give me an explanation?

The best way to think about a function is to see it as a machine. Your input is the item you put into the machine, the function is what the machine does, and then when you get out of the other side is you...

CJ
Answered by Chelsie J. Maths tutor
3447 Views

A kettle has a 55% energy efficiency. The input energy for the kettle is 378,000 J per boil. Calculate the amount of energy dissipated in 5 boils.

Energy used for one boil = (3.78 x 105 / 100) x 55Energy used for one boil = 2.079 x 105 J Energy lost per boil = 3.78 x 105 -2.079 x 105Energy lost per boil = ...

RA
Answered by Ryan A. Physics tutor
4206 Views

How do I respond to a Shakespeare extract?

Read the question carefully. Don't be afraid to underline keywords in the question. Often exam papers will ask you to write about themes like love, confusion, war and greed. If you see a ...

JC
Answered by James C. English tutor
3562 Views

Find the value(s) of x which satisfies the equation 3x^2 + 6x + 3 = 0

First we must multiply the coefficient of x2 by the value with no x associated with it3x3 = 9Now we must find two numbers that add to make 6 and multiply to make 9+6x9 3 and 3Now we need to split the coef...

JG
Answered by Jacob G. Maths tutor
2968 Views

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