If you stand 50 feet from the bottom of a movie screen and the screen is 80 feet tall, what is the angle of elevation from your feet to the top of the screen? Round your answer to the nearest tenth. 9.
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
![Make sure to draw a picture and show all work for the following problems.
If you stand 50 feet from the bottom of a movie screen and the screen is 80 feet
tall, what is the angle of elevation from your feet to the top of the screen? Round
your answer to the nearest tenth.
9.
9.
10. The shadow of a tree is 70 feet long at a certain time of day. Find the height of
the tree if the angle of elevation to the sun is 36'. Round your answer to the
nearest tenth.
10.
11. Standing at the top of a hill you are at an altitude of120 meters. If you go
snowboarding down the hill, which has an angle of depression of 26, how far is
it from the top to the bottom of the hill? Round your answer to the nearest tenth.
11.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd91b003f-5ff7-49bc-a7f0-1a25023f3b30%2F555d6af1-0e7b-46b5-9620-82a6a82de8cd%2F9cwvpfi_processed.jpeg&w=3840&q=75)
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