Connie has saved up $15 to purchase a new CD from the local store. The sales tax in her county is 5% of the sticker price. Write
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9514 1404 393
Answer:
see attached
Step-by-step explanation:
The sides marked on the triangle are adjacent to and opposite the given angle. The mnemonic SOH CAH TOA is intended to remind you which trig functions relate which sides. The one applicable here is TOA:
Tan = Opposite/Adjacent
Using the values on the diagram, we have ...
tan(65°) = 18/y
Multiplying by y/tan(65°) gives ...
y = 18/tan(65°)
y ≈ 8.3935 ≈ 8.4
Lets find the final discount percentage, to do this we need to know the final price of the backpack.
Initial price is 60, let's apply the first 30 % discount:
Now we apply the 20 % discount to 42:
So the final price of the backpack is 33.6, this is 56 % of 60.
The final discount was of 44 % off, not 50 %.
Initial price is 60, let's apply the first 30 % discount:
Now we apply the 20 % discount to 42:
So the final price of the backpack is 33.6, this is 56 % of 60.
The final discount was of 44 % off, not 50 %.