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. 4260 sq. ft
B. 2129 sq. ft
C. 5200 sq. ft
D. 2130 sq. ft
Answer: D
Mathematics
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Use series to evaluate the limit.
A. -2 B. 2 C. 1 D. 0
Mathematics
Provide an appropriate response. A bookstore charges $78 for two videos and three books. Let v be the cost of each video and let b be the cost of each book. Write an equation in two variables for the total charge.
A. 3b = 2v B. 3v + 2b = 78 C. 2v + 3b = 78 D. v + b = 78
Mathematics
Multiply.0.404
A. 3.636 B. 0.3636 C. 0.003636 D. 36.36
Mathematics
Solve.x5 + 40 > 5x3 + 8x2
A. (-5, ?)
B. (-
, 
)
C. (-
, 2) ? (
, ?)
D. (-?, -
) ? (2, 
)
Mathematics