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I want to pave my patio, which has dimensions of 6m by 8m. I'm going to pave it with stones that have dimensions of 50cm by 50cm. Each tile costs £1.50. How much will paving my patio cost me?

My patio has an area of 68 m , so 48m2.
Each tile has an area of 0.5
0.5 m, so 0.25m2.
To find the number of tiles we need, we divide the area of the patio by the...

DL
Answered by Danny L. Maths tutor
2446 Views

Integrate ((5x^3) + ((2x)^-1) + (e^2x))dx.

int(5x3 + (2x)-1 + e2x )dx

=int(5x3)dx + int((2x)-1)dx + int(e2x )dx

int(5x3)dx = (5/4)x4+ c          ...

DL
Answered by Danny L. Maths tutor
4368 Views

Fully simplify (8a^2b * ab^4)/(2a^3b^2)

8a3bab4 2a3b2 (can write this more clearly by hand using whiteboard) First go about seperating and collecting terms. Begin with the top line. ...

AI
Answered by Archie I. Maths tutor
3748 Views

Given that x(a+bx)(a-bx)=25x-4x^3, what is the value of b^(-a)? a,b>0

It's a two part question. First Part Expand the equation the left hand side to get a^(2)*x-b^(2)*x^3 thus comparing co-efficients a^2=25 and b^2=4 thus a= 5 b=2 Second Part Therefore b^(-a) ...

CP
Answered by Cameron P. Maths tutor
9258 Views

Solve the inequality 7x+3y-4 > 5y-19x for y in terms of x.

7x+3y-4 > 5y-19x

Adding 19x to both sides:

26x+3y-4 > 5y

Subtracting 3y from both sides:

26x-4 > 2y

Divide both sides by 2 to put the expression in its simplest...

DL
Answered by Danny L. Maths tutor
3637 Views

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