Answer:
Bucky's ship is located 43 miles west off the harbor. Clyde's yacht is located 25 miles north from Bucky. How far is Clyde from the Harbor?
The picture would explain how it relates to the Pythagorean Theorem.
Brainilest is appreciated.
Where do you get the .95 from?
1 answer:
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ANSWER
EXPLANATION
Let R be the radius of the bigger circle and r, be the radius of the smaller circle.
Then their ratio is given as,
We can rewrite it as fractions to get,
We make R the subject to get,
The area of the bigger circle can be found using the formula,
This implies that,
But it was given in the question that, the area of the bigger circle is 27π.
We divide through by 9π to get,
This means that,
The area of the smaller circle is therefore
EXPLANATION
Let R be the radius of the bigger circle and r, be the radius of the smaller circle.
Then their ratio is given as,
We can rewrite it as fractions to get,
We make R the subject to get,
The area of the bigger circle can be found using the formula,
This implies that,
But it was given in the question that, the area of the bigger circle is 27π.
We divide through by 9π to get,
This means that,
The area of the smaller circle is therefore
The surface is parameterized by
and the normal to the surface is given by the cross product of the partial derivatives of :
It looks like you're given
Then the normal vector is
Now, the point (2, 2, 0) corresponds to u and v such that
and solving gives , so the normal vector at the point we care about is
Then the equation of the tangent plane is