If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.1251/3
A. 1875
B. 15
C. 625
D. 5
Answer: D
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Evaluate using the order of operations.(6.5 - 10) ÷ 4 - 2 ?
A. -3.25 B. -1.75 C. -1.875 D. -1.5
Answer the following statement(s) true (T) or false (F)
1. Any angle inscribed in a semicircle must be a right angle.
2. If the central angle of a sector with radius 10" measures 60°, then the area of the sector is 5/3? square inches.
3. The measure of an inscribed angle, ?A, in a circle is twice the measure of a second inscribed
angle, ?B, in the same circle. Then the arc intercepted by ?A is twice as long as the arc intercepted by ?B.
4. If P is the midpoint of chord AB in circle O, then ?OPB = 90°.
5. If two chords in circle O, MN and XY, intersect at P then ?MPX =
Solve the problem.The city council of a small town needs to determine if the town's residents will support the building of a new library. The council decides to conduct a survey of a sample of the town's residents. Which one of the following procedures would be most appropriate for obtaining a sample of the town's residents?
A. Survey a random sample of persons within each neighborhood of the town. B. Survey 400 individuals who are randomly selected from a list of all people living in the state in which the town is located. C. Survey every 11th person who enters the old library on a given day. D. Survey a random sample of librarians who live in the town.
Write the ratio of corresponding sides for the similar triangles and reduce the ratio to lowest terms.
A. =
=
B. =
=
C. =
=