Translate to an equation and solve. When necessary, round to the nearest hundredth.What is 75% of 7220?
A. 54,150
B. 542
C. 541,500
D. 5415
Answer: D
Mathematics
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Solve the equation.(10 + x)1/2 + (11 - 5x)1/2 = -1
A. 
B. {0}
C. ?
D. {1}
Mathematics
Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = -6(x - 5)2 + 24
A. -7 and -3 B. 3 and 7 C. -3 D. 7
Mathematics
If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.r = 5 inches, ? = 2 radians, A = ?
A. 50 in2 B. 10 in2 C. 25 in2 D. 5 in2
Mathematics
Solve the problem.The pitch of a roof is its slope. Find the pitch of the roof shown, written as a fraction in simplest form. 
A. 
B. 
C. 180
D. 
Mathematics