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miss Akunina [59]
3 years ago
15

20% of 50 [ ] 40% of 70 a.<b.>c.=plz anyone say this 10 points

Mathematics
1 answer:
mariarad [96]3 years ago
8 0

Answer: a.

Step-by-step explanation:  

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Assume that two chords in a given circle are congruent. Which of the following must also be true?
o-na [289]

Answer:

If the two chords are congruent, then they must be equidistant from the centre of the circle. 

Ans: D

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3 years ago
PLEASE HELP!!<br> 4/3n - 8 = -6
iris [78.8K]

Answer:

n=3/2

Step-by-step explanation:

5 0
3 years ago
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Can anyone help me about question 2
madreJ [45]

9514 1404 393

Answer:

  3(4/3)^2543

Step-by-step explanation:

Using logarithms base 2, we have ...

  (a_n)^{\log{a_n}}=(a_{n+1})^{\log{a_{n-1}}}\\\\(\log{a_n})(\log{a_n}) = (\log{a_{n-1}})(\log{a_{n+1}}) \\\\ \dfrac{\log{a_{n+1}}}{\log{a_{n}}}=\dfrac{\log{a_n}}{\log{a_{n-1}}}=\dots\dfrac{\log_2{16}}{\log_2{8}}=\dfrac{4}{3}

That is, the ratio of each term to the previous is a constant equal to 4/3. This is the definition of a geometric sequence. This sequence has first term 3 and common ratio 4/3, so the general term is ...

  \log_2 a_n=3\left(\dfrac{4}{3}\right)^{n-1}

and the 2544th term is ...

  \boxed{\log_2{a_{2544}}=3\left(\dfrac{4}{3}\right)^{2543}}

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3 years ago
Which of the following is the factor of 5x - 35?
Olegator [25]

Answer:

a

Step-by-step explanation:

6 0
3 years ago
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