Solve the problem.A railroad bridge is built over a V-shaped canyon. If the supports are 9 feet long at each end, the center support is 529 feet long, and the supports increase in length by 4 feet with each support (from 9 feet to 529 feet), what is the total length of all the supports?
A. 69,949 feet
B. 69,953 feet
C. 69,940 feet
D. 69,945 feet
Answer: A
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Solve the problem.The pH of the blood of a small mammal usually falls between 7.28 and 7.49. Find the corresponding bounds of [H3O+].
A. 10-7.49 and 10-7.28 B. e-7.49 and e-7.28 C. log10 7.28 and log10 7.49 D. 107.49 and 107.28
Find the missing parts of the triangle. C = 35°30'a = 18.76c = 16.15If necessary, round side lengths to the nearest hundredth.
A. no such triangle B. A1 = 102°05', B1 = 42°25', b1 = 17.52; A2 = 6°55', B2 = 137°35', b2 = 26.19 C. A1 = 42°25', B1 = 102°05', b1 = 27.2; A2 = 137°35', B2 = 6°55', b2 = 3.35 D. A = 42°25', B = 102°05', b = 25.19
Using the definitions of "divisible" and "factor," answer the given question.Is 351 divisible by 13?
A. Yes B. No
Provide an appropriate response.What is wrong if two fractions are added and the result is expressed as a whole number and an improper fraction?
What will be an ideal response?