The side of a cube measures 1.4 m. Find the surface area of the cube.


a. 11.76 m²

Mathematics

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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = (-2x + 7)5

A. y = 5u + 7; u = x5 = -10x4
B. y = u5; u = -2x + 7;  = 5(-2x + 7)4
C. y = u5; u = -2x + 7;  = -2(-2x + 7)5
D. y = u5; u = -2x + 7;  = -10(-2x + 7)4

Mathematics

Find the slope of a line tangent to the given curve at the point P by finding the limit of the slopes of the secant lines PQ as Q approaches P.y = 6x2 - 3; P is (6, 213); let Q have x-values of 5.5, 5.9, 5.99, 5.999

A. Slopes: 66, 68.4, 68.94, 68.994 m = 69 B. Slopes: 9, 11.4, 11.94, 11.994 m = 12 C. Slopes: 69, 71.4, 71.94, 71.994 m = 72 D. Slopes: 33, 35.4, 35.94, 35.994 m = 36

Mathematics

Write the shaded area in the figure as a mixed number and as an improper fraction.

A. 4;  
B. 1;  
C. 1;  
D. 2;  

Mathematics

Find the area if the distance between two adjacent dots in a row or column is one unit.What is the ratio of the area of B to the area of A.

A.
B.
C.
D.

Mathematics