Find the amplitude and period FAST

Mathematics

1 answer:

Mila [183]3 years ago

6 0

Answer:

Period is pi and the amplitude is 4

Step-by-step explanation:

Hope this helps!

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Joseph wants to buy a new tennis racquet which cost $200 from the factory. The sports shop marks up the price by 60%. Joseph bou

andriy [413]

Use multipliers:
The normal price the shop would sell the racquet for is:
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'1.6' is the multiplier that I got using the percentage. Multiplying a value by 1.6 is the same as increasing the value by 60%. If you multiplied it by 0.1 (which is the same as dividing by 10), you would get just 10% of the value.
Back to the question, now we can use the multiplier 0.75 because we are are reducing the price by 25% (0.25 as a decimal), so:
320 * 0.75 = 240
And now we want just the profit so we take off how much it cost the shop to buy ($200): 240 - 200 = 40

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