Solve the equation using the Addition Property of Equality. Be sure to check your solution.x - 6.4 = 18.3

A. {11.4}
B. {24.7}
C. {24.2}
D. {11.9}


Answer: B

Mathematics

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Determine the vertex and the x-intercepts. Then sketch the graph.y = x2 + 2x

A.

Vertex: (- 1, - 1);
x-intercepts: (0, 0) and (-2, 0)
B.

Vertex: (1, 1);
x-intercepts: (0, 0) and (2, 0)
C.

Vertex: (1, - 1);
x-intercepts: (0, 0) and (2, 0)
D.

Vertex: (- 1, 1);
x-intercepts: (0, 0) and (-2, 0)

Mathematics

Solve for y or k, as appropriate.ln (5 - 4y) = x

A.
B.
C. ex - 1
D.

Mathematics

Determine the area of the triangle. If necessary, round the answer to two decimal places.A = 83°, b = 9, 

A. 3.29 B. 26.80 C. 27.01 D. 53.60

Mathematics

Provide an appropriate response.Given f(x,y) = x2 + y2, the purpose of finding the critical points is which of the following?(i) find local minimums, if they exist(ii) find local maximums, if they exist(iii) find saddle points, if they exist(iv) find interior points, if they exist

A. Only (i) and (ii) are correct. B. Only (iii) is correct. C. All are correct. D. (i), (ii), and (iii) are all correct.

Mathematics