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Evgesh-ka [11]
3 years ago
7

There are 3 questions and they are on each picture, I don't understand these so please help!

Mathematics
1 answer:
Lilit [14]3 years ago
8 0
2A. Answer is 42.7. C squared minus B squared equals A squared. C^2 - B^2 = A^2. 48^2 - 22^2 = 42.66^2.
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Please and thankyou (:
den301095 [7]

Let's evaluate the ratio test:

\dfrac{a_n}{a_{n-1}}=\dfrac{3^{n+1}}{3n+1}\cdot\dfrac{3(n-1)+1}{3^n}=\dfrac{3\cdot3^n}{3n+1}\cdot\dfrac{3n-2}{3^n} = \dfrac{9n-6}{3n+1}

The limit as n \to\infty of this quantity is 3, which is more than 1. So, the series diverges.

6 0
3 years ago
Please help. I need help.
jek_recluse [69]

Answer:

The answer is A.

Step-by-step explanation:

The angles add up to be 180°, which makes a supplementary relationship.

5 0
2 years ago
Which figure always has exactly four lines of reflection that map the figure onto itself?
Salsk061 [2.6K]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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weqwewe [10]

Answer:

y = -3/2x + 6

Step-by-step explanation:

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Using (4,0)

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0 = -6 + b

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4 0
2 years ago
X=<br> A) 80<br> B) 90<br> C) 100
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