7, 14, 21, 28, 35, 42, 49... 7 cars will need. to be washed to reach $49
Answer: im pretty sure its 9
Step-by-step explanation:
/vfbtjuuuuuuuuws
First, Look at the attached picture as a reference.
Now, using Pythagoras theorem,

Now, lets find the elevation of the sun.
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∴ The elevation of the sun is 30°