you have to read the bottom link for the answer key
Answer:
Amy would have 2.15 left
Step-by-step explanation:
To find out how much she has left, subtract the cost of the items from 10.
10 - 0.75 - 5.50 - 1.60 = 2.15
7y - 3x = -5
-3x = -7y - 5
x = 7/3y + 5/3
All of these are different methods of learning math. Visually, you can see graphs, charts, and geometric figures to help you learn. I'm not sure what a 'local learner' is. Physical learners can learn better by holding geometric figures, drawing graphs, etc. Auditory learners may learn best by listening to a teacher's lecture.
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It should be 12 ft away from the wall. Not 4 ft. You do not just subtract the difference because as you pull it away from the wall, the ladder is mostly moving horizontally with only a small vertical change.
You can use Pythagorean Theorem to find the answer. Think of the ladder as the hypotenuse of a right triangle with the wall and the ground as the legs.
a^2 + b^2 = c^2
16^2 + b^2 = 20^2
b^2 = 20^2 - 16^2
b^2 = 144
b = 12 ft
