Advanced Placement Calculus 2016 Graphical Numerical Algebraic Fifth Edition Student Edition
5th Edition
ISBN: 9780133311617
Author: Prentice Hall
Publisher: Prentice Hall
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A dead tree is very close to your house and you would like to estimate the tree's height to see if
your house is in danger of being hit by the tree if it fell.
The tree is located 25 m from your house. You walk 20 m from the base of the tree. Using a
triangulation device, you measure the angle of sight to be 45°. Your eye height is 1.5 m.
Would the tree hit the house if it fell? Explain.
You are riding the Ferris wheel at the fair. You look down at your friends in line for
the next ride at an angle of depression of 40°. The Ferris wheel is 192 feet tall. What
is the horizontal distance you need to walk to your friends when you get off the
Ferris wheel? Show your work and round your final answer to the nearest tenth of a
foot.
Find a · b.
|a| = 9, |b| = sqrt(14), the angle between a and b is 45°
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- Question A man who is 2 m tall stands on horizontal ground 30 m from a tree. The angle of elevation of the top of the tree from his head is 28°. Estimate the height of the tree. Round your answer to whole number.arrow_forwardJill is standing at the top of the Taj Mahal Casino in Atlantic City, which is 480 feet tall. She spots her friend walking on the ground below and notes that the angle of depression is 56°. How far away is Jill's friend? V Read the problem and identify what you are solving for. V Draw a picture and label each known part. V Solve for your missing value!arrow_forwardCalculate the side of X, please include stepsarrow_forward
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