Solve the problem.A bridge is built in the shape of a semi-elliptical arch. It has a span of 96 feet. The height of the arch 25 feet from the center is to be 6 feet. Find the height of the arch at its center rounded to the nearest hundredth of a foot.

A. 7.03 ft
B. 11.52 ft
C. 6.21 ft
D. 25.2 ft


Answer: A

Mathematics

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Solve the problem.A trucking company has an order for two products, A and B, to be delivered to a store. The table below gives the volume and weight for each unit of the products. If the truck that can deliver the products can carry 4501 cu ft and 28,077 lb, how many units of each product can the truck carry?

A. 37 of A and 40 of B B. 35 of A and 42 of B C. 42 of A and 35 of B D. 33 of A and 44 of B

Mathematics

Solve the problem.Find the first five terms of the sequence with first term 8 and nth term an = 2an-1

A. 8, 40, 45, 50, 55 B. 0, 5, 40, 45, 50 C. 8, 16, 32, 64, 128 D. 16, 32, 64, 128, 256

Mathematics

Simplify the complex rational expression using Method I or Method II.

A. 3x + 11
B.
C. 7
D. 21

Mathematics

Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.

A.  +  
B.  - 
C.  -  
D.

Mathematics