Let the ladder length be L, then
sin 70 = 20/L, L = 20/sin70 = 21.3 feet
the length of ladder is 21.3 feet
Answer:
7 zeroes
Step-by-step explanation:
I HOPE it will help you
21 I think I'm not sure tho
Answer:
35
Step-by-step explanation:
6x-4x= 2x
+63+7=70
70/2=35
Answer:
You can do these "in your head" like this:
50 dimes would be $5.00
Each quarter adds 15 cents.
10.25 - 55.00 = $5.25 added
Step-by-step explanation:
525/15 = 35 quarters
--> 15 dimes
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or,
d + q = 50
10d + 25q = 1025
etc