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Daniel [21]
3 years ago
7

Help me guys!!!!!!!! i'll mark brainliest

Mathematics
1 answer:
Galina-37 [17]3 years ago
3 0
Answer: All of them
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Shawna is saving money to buy a new laptop. She starts her savings with $64. Each week, she adds another $17 to her savings. Gra
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4 weeks

Step-by-step explanation:

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3 years ago
Based only on the information given in the diagram it is guaranteed that RST UVW
lapo4ka [179]

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The triangles are similar

Step-by-step explanation:

We are given and two angles  so by default we know the third angle.  We know the three angles are the same, so the triangles are similar by AAA.  We do not about conqruency without a side length.

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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

5 0
3 years ago
Luis is saving money to purchase a new video game. He has a total of 30 coins consisting of nickels and dimes. The value of the
madreJ [45]
N + d = 30
0.05n + 0.10d = 2.20

^^ ur system of equations
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3 years ago
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What is .235 written as a fraction?
Keith_Richards [23]
0.235 = 235/1000= 47/200

Answer: 47/200

*Hope that helps and enjoy Brainly :)*


5 0
3 years ago
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