The area of the triangular swimming pool shown in the illustration is doubled by adding a rectangular wading pool. Find the width of the pool (x).
(The area of a triangle = 
, and the area of a rectangle = lw).
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Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
10
Mathematics
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Provide an appropriate answer.Find 
when u = 0 and v = 
if z(x, y) = sin x + cos y, x = u?v, and y = u + v.
A. 
= 1
B. 
= 0
C. 
= 2
D. 
= -1
Mathematics
Use half-angle formulas to find the exact value for the following:
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A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Determine whether the statement is true or false.
= ln 
A. False B. True
Mathematics
Solve by the quadratic formula. If there are no real roots, say so.
- 
= 
A. y = - 
, y = 
B. y = 
C. No real solution
D. y = 
Mathematics