Solve the problem.A new homeowner has a triangular-shaped back yard. Two of the three sides measure 65 ft and 80 ft and form an included angle of 125°. The owner wants to approximate the area of the yard, so that he can determine the amount of fertilizer and grass seed to be purchased. Find the area of the yard rounded to the nearest square foot.
A. 5200 sq. ft
B. 2129 sq. ft
C. 2130 sq. ft
D. 4260 sq. ft
Answer: C
Mathematics
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Find ?f.f(x, y, z) = 
A. F = 
i + 2yj + 2zk
B. F = 
i + 
j + 
k
C. F = 
(x2 + y2 + z2)i + 
j + 
k
D. F = 
i + 
j + 
k
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Simplify.6[1 + 2(82)]
A. 1542 B. 774 C. 10,404 D. 1734
Mathematics
Provide an appropriate response.Find the value(s) of x for which f(x) = 
is discontinuous.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find an equation that matches the parabola's graph.
A. y = 
x2
B. y = - 
x2
C. x = 
y2
D. x = - 
y2
Mathematics