Andy buys a 75 cent juice box using only quarters and nickels. show the amount he spent in two ways.
1 answer:
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Answer:
The perimeter of the second square is 36 inches
Step-by-step explanation:
Given
Represent the sides of the squares with S1 and S2.
So:
--- Scale factor
--- perimeter of the first
Required
Calculate P2, the perimeter of the second
Represent the ratios of the perimeter:
Substitute 12 for P1
Equate both scale factors
Convert to fraction
Cross multiply
Answer:
<u>Step-by-step explanation:</u>
Note the following identities: tan² x = sec²x - 1
tan² x + sec x = 1
(sec² x -1) + sec x = 1
sec² x + sec x - 2 = 0
(sec x + 2)(sec x - 1) = 0
sec x + 2 = 0 sec x - 1 = 0
sec x = -2 sec x = 1