A common tangent is a line that happens to be tangent ("touching but not intersecting a curve or curved surface") to two different coplanar ("in the same plane) circles. I do hope that helped you.
Gavin earns more because he earns 20 per hour and eva earns 11.5 per hour.
So Gavin earns 8.50 more than eva.
Hope this helps :)
Part a - triangles EGD and FGD are similar
part b - we know this because they have the same interior angles. both are 45,45,90 triangles
There are no solutions.<span>
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Because the second derivative of the function at the point is negative, the graph must be concave down at this point. Because the first derivative indicates that the function is also likely to be a maximum or minimum, the point must be a maximum.
