Find the standard form of the equation for the ellipse satisfying the given conditions. Foci (0, ±9); x-intercepts ±12
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Find the value of the x-coordinate of the points at which the functions intersect, and approximate the area of the region described. Round to two decimal places when necessary.f(x) = sinh x, g(x) = tanh x; the region bounded by the graphs of f, g, and ln 4
A. x = 0; 0.26 B. x = 0; 0.37 C. x = 0; 1 D. x = 0; 0.33
Mathematics
Factor the special products.81x2 - 126xy + 49y2
A. (81x + 1)(x + 49) B. (9x - 7y)2 C. (9x - 7y)(9x + 7y) D. (9x + 7y)2
Mathematics
Complete the balance sheet using vertical analysis. Round to the nearest tenth of a percent.
What will be an ideal response?
Mathematics
Solve by using the square root property.(x + 6)2 = 14
A. x = 6 ± 
B. x = ± 
C. x = 8
D. x = -6 ± 
Mathematics