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The circle c has equation x^2+ y ^2=1 . The line l has gradient 3 and intercepts the y axis at the point (0, 1). c and l intersect at two points. Find the co-ordinates of these points.

The equation for a line is y(x)=ax+b.Because it intersects the y axis at x=0 at y=1y(x)=b=1a is equal to the gradient of the function so the line is given as y(x)=3x+1In order to get the two intersection...

CB
2839 Views

Calculate the pH of the following solutions: 0.002 mol/dm^-3 KOH

pH by definition is given as -log10(cH+) or log10(1/cH+), where cH+ is the concentration of the H+ ions in the solution.Similarly, pOH= -log10

CB
Answered by Csaba B. Chemistry tutor
9438 Views

Why does Romeo seem to love Rosaline and then very quickly love Juliet? (Romeo and Juliet, Shakespeare, play taught at GCSE)

This is a really good question that's answer is central to the the plot of Romeo and Juliet. I agree that it does seem surprising that after spending a great deal of the first four acts of the play exclai...

AF
Answered by Alice F. English tutor
7437 Views

Describe the process of DNA replication

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