Problem # 129) Two bavs sUPpert lokg shun below, What are the firces inthe steel bars?lo30°450b) If SPhure x²t y? +Z2 = 16x -18Y + 24 Z -93, What is itsCenter and radieus?%3D

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Answered: Problem # 12 9) Two bavs SUPpert lokg…

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Q4. (a) The diagram shows a triangle ABC. 5 cm (ii) C 6 cm B The lengths of AC and BC are 5 cm and 6 cm respectively. The area of triangle ABC is 12.5 cm², and angle ACB is obtuse. (i) Find the size of angle ACB, giving your answer to the nearest 0.1°. Find the length of AB, giving your answer to two significant figures.
2. David determines that 3sqrt(2) * cis((7pi)/4) = - 3 + 3i. When he considers the graphical representation of these numbers , he knows he made an error. Clearly explain in complete sentences what David observed , and where David made his mistake. State the correct rectangular evidence of 3sqrt(2) * cis((7pi)/4)
Albie is sitting in a classroom and sees a picture on the black board at a height of 1.5 m from the horizontal level of sight. The angle of elevation of the picture is 30 degrees. As the picture is not clear to her, she moves straight towards the black board and sees the picture at an angle of elevation of 45 degrees. Find the distance moved by Albie.
The (x,y) coordinate for a point on a circle with radius 8 is (-4V3, - 4). What is the angle in radians for this point? Give exact answer in terms pi if necessary.

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Problem # 12 9) Two bavs SUPpert lokg shoun below, What are the ferces in the steel bars? lo 30° 450 b) If SPhurne x²+ y? +Z? =16x-18Y+24 Z -93, what is its Center and radieus? %3D