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viva [34]
3 years ago
13

Mr. Flores charges $ 530 for car repairs to his credit card, which charges no interest if

Mathematics
1 answer:
alex41 [277]3 years ago
5 0

Answer:

$47.50

Step-by-step explanation:

530-150=380

380/8=47.50

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Please solve this and only answer with image
horsena [70]

\cot^4 A - \cot^2 A = 1\\\\\cot^4 A = 1 + \cot^2 A\\\\\frac{\cos^4 A}{\sin^4 A} = 1 + \frac{\cos^2 A}{\sin^2 A}\\\\\frac{\cos^4 A}{\sin^4 A} = \frac{\sin^2 A}{\sin^2 A}+\frac{\cos^2 A}{\sin^2 A}\\\\\frac{\cos^4 A}{\sin^4 A} = \frac{\sin^2 A+\cos^2 A}{\sin^2 A}\\\\\frac{\cos^4 A}{\sin^4 A} = \frac{1}{\sin^2 A}\\\\\cos^4 A = \frac{\sin^4 A}{\sin^2 A}\\\\\cos^4 A = \sin^2 A\\\\

This then means,

\cos^4 A + \cos^2 A = 1\\\\\sin^2 A + \cos^2 A = 1\\\\

which is the pythagorean trig identity. This concludes the proof.

Therefore, if \cot^4 A - \cot^2 A = 1, then \cos^4 A + \cos^2 A = 1

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2 years ago
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Evgen [1.6K]
Y=4/5x hope that’s the right answer
7 0
3 years ago
15 points !!! will mark brainiest if you get correct !!!
lozanna [386]

Step-by-step explanation:

1. C:arithmetic, 34, 39, 44

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3 years ago
The lifespan of a guinea pig is 8 years shorter than the lifespan of a puma. Write a subtraction equation that you could use to
KiRa [710]

Answer: p-8

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Answer:

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Step-by-step explanation:

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