Two points X and Y are 1000 m apart on a straight piece of coastline. A buoy Z is out at sea. XZ = 850 m and YZ = 625 m. A girl wishes to swim from the coast to the buoy. a What is the shortest distance she will have to swim? Give your answer to 3 s.f. b How far along the coast from Y will she have to set off in order to swim the least distance?
Two points X and Y are 1000 m apart on a straight piece of coastline. A buoy Z is out at sea. XZ = 850 m and YZ = 625 m. A girl wishes to swim from the coast to the buoy. a What is the shortest distance she will have to swim? Give your answer to 3 s.f. b How far along the coast from Y will she have to set off in order to swim the least distance?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.10: Problems Without Solutions
Problem 11P
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Two points X and Y are 1000 m apart on a straight piece of coastline.
A buoy Z is out at sea. XZ = 850 m and YZ = 625 m.
A girl wishes to swim from the coast to the buoy. a What is the shortest distance she will have to swim? Give your
answer to 3 s.f.
b How far along the coast from Y will she have to set off in order to
swim the least distance?
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