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Solve 5x - 2= 3x + 7

1 - First we need to get all the x values on one side and all the numbers on the otherside of the equals sign.

2 - We then need simplify the equation to get 1 x.

Solve 5x - ...

GA
Answered by Gadah A. Maths tutor
15020 Views

Find the equation of the tangent to the curve y=x^3-4x^2+2 at the point (3,-7)

y=x3-4x2+2A tangent to a curve at a specific point along the line will have excatly the same gradient as the curve at that point. For example if the point was (0,0) the tangent would...

DW
Answered by Daniel W. Maths tutor
24132 Views

Factorise 2b^2 + 6b

1 - We first need to find a common factor, something that is the same in both parts of the expression.

2 - Then we need to take this out of the expression by dividing both parts of the ex...

GA
Answered by Gadah A. Maths tutor
7253 Views

A sample of pure gold has a density of 19300 kgm^-3. If the density of a gold nucleus is 1.47x10^17Kgm^-3, discuss what this implies about the structure of the gold atom. [4 marks]

To gain all of the marks, 4 different points must be made. To begin, state what is obvious:

The density of the gold nucleus is much greater than the density of the gold atom.

...
RL
Answered by Rebecca L. Physics tutor
10446 Views

How do I use "Essere" and "Avere" in the perfect tense?

First of all, in Italian the perfect tense has a precise structure:

-The auxiliary verb, essere or avere, in his present form (Io ho, tu sei, egli ha)

-The past participle, ...

FP
Answered by Filippo P. Italian tutor
6832 Views

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