Answer:
20/29.
Step-by-step explanation:
cos C = adjacent side / hypotenuse
= 20/29.
Answer:
22,-15 ................ maybe
Answer: $1.35
Step-by-step explanation:
Changing every fourth coin to a nickle will give you 5 nickles because 20/4 is 5. Then replacing every third coin with a dime will give you 6 dimes. Then finally every sixth coin with a quarter will give you 3 quarters. However there is some overlap where you are replacing a nickle with a dime or a dime with a quarter so it ends up being 3 quarters, 3 dimes, and 4 nickles with the rest being pennies.
Answer:
x=3/2
Step-by-step explanation:
A= l * w =22
A= (3x+1)(2x+1) =22
A= 3x(2x+1) +1(2x+1) =22
A= 6x^2 +3x +2x+1 =22
A=6x^2 +5x +1 =22
A=3/2
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4