Two vectors u and v are given. Find the angle (expressed in degrees) between u and v.
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(a) 1.3°
(b) 1.2°
(c) 63.9°
(d) 36.9°
(e) none of these
(d) 36.9°
Mathematics
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Simplify using the power-to-power rule.(x-9)4
A. -4x36
B. 
C. -x36
D. -4x9
Mathematics
Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 + 4x - 7
A. vertex: (-2, 3);
x-intercepts: none;
y-intercept: (0, 7)
B. vertex: (-2, -11);
x-intercepts: (-2 ± 
, 0);
y-intercept: (0, -7)
C. vertex: (4, 0);
x-intercept: (4, 0);
y-intercept: (0, 7)
D. vertex: 
;
x-intercepts: (-4, 0) and (3, 0);
y-intercept: (0, -12)
Mathematics
Provide an appropriate response. When factoring a binomial or a trinomial that is not prime, what should be the first step?
What will be an ideal response?
Mathematics
Determine whether the fractions are equal.
and 
A. Yes B. No
Mathematics