Nestor is saving money to buy a new camping tent each week he doubles the amount he saved the previous week if he saves a dollar the first week how much money will nestor save in 7 weeks?

Just divide the x axis (the top) by 2 or multiply the y axis (the bottom) by 2

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.