Solve the problem.An experimental model for a suspension bridge is built. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 4 inches tall and stand 40 inches apart. Find the vertical distance from the roadway to the cable at a point on the road 10 inches from the lowest point of the cable.
A. 0.8 in.
B. 1 in.
C. 1.2 in.
D. 4 in.
Answer: B
Mathematics
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Find the mean for the data items in the given frequency distribution. Round to the nearest hundredth, if necessary.
A. 6.79 B. 5.37 C. 8.25 D. 6.19
Mathematics
Find the specified quartile.The weekly salaries (in dollars) of sixteen government workers are listed below. Find the lower quartile, QL.
A. $536 B. $529.00 C. $500 D. $522
Mathematics
Use the partial sum formula to find the partial sum of the given arithmetic sequence.Find the sum of the first 30 terms of the arithmetic sequence {-2n - 5}.
A. -1080 B. -990 C. -1050 D. -885
Mathematics
Determine whether the given points are on the graph of the equation.6x + 2y = -12; (-1, -3)
A. No B. Yes
Mathematics