Find a vector function that represents the curve of intersection of the two surfaces: the top half of the ellipsoid x²+7y²+7z²=49 and the parabolic cylinder y=x².


Mathematics

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Find the eccentricity of the hyperbola.x2 - y2 = 7

A.
B.
C. 0
D. 2

Mathematics

Find the exact value of the expression. Do not use a calculator.5 cos ?, if ? = 45°

A. - 
B.
C. - 
D.

Mathematics

Determine if the lines parallel, perpendicular, or neither.L1: 3x + 7y = -17L2: y = - x - 19

A. neither B. perpendicular C. parallel

Mathematics

Provide an appropriate response.Express ln 4 - (ln 2 + ln 3) as a single logarithm.

What will be an ideal response?

Mathematics