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aev [14]
3 years ago
8

10 points please help !!

Mathematics
1 answer:
Dahasolnce [82]3 years ago
7 0

Answer: D

Step-by-step explanation:

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Find a formula for the general term an of the sequence, assuming that the pattern of the first few terms continues. {5,5/3,5/9,5
Tanya [424]

The formula for the general term of the given sequence 5, 5/3, 5/9, 5/27 is  a_{n} = \frac{5}{3^{n} }.

According to the given question.

We have a sequence  5, 5/3, 5/9, 5/27.

As, we know that "a sequence is an arrangement of any objects or a set of numbers in a particular order followed by some rule"

If we see the given sequence 5, 5/3, 5/9, 5/27 it is following a pattern in which the nummerator of all the terms are same but the denominator is increasing by by power to 3 like 3^0 = 1, 3^1 = 3, 3^2 = 9 and so on.

Thereofre, the genereal term  a_{n}, of the given sequence is given by

a_{n} = \frac{5}{x^{n} } , where n belong to whole numbers.

Hence, the formula for the general term of the given sequence 5, 5/3, 5/9, 5/27 is  a_{n} = \frac{5}{3^{n} }.

Find about more information about sequence here:

brainly.com/question/12952623

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4 0
2 years ago
Which phrase is represented by 3(8-n)t2
Alex787 [66]
The answer is d.
Two more (+2) than three times (3) the difference between eight and a number (8-n)
4 0
3 years ago
A bag contains yellow marbles and red marbles, 77 in total. The number of yellow marbles is 5 more than 3 times the number of re
bulgar [2K]

Answer:

41

Step-by-step explanation:

yellow marbles=5+ 3r(r is the number of red marbles)

red marbles=3r

3r+3r+5=77

6r=77-5

6r=72

r=72/6=12

yellow marbles = 5 + 3r

5+ 12 x 3

5+ 36

=41

8 0
3 years ago
(Brainliest for fastest right answer!!!) Which is correct?
zavuch27 [327]

Answer:

Step-by-step explanation:

ax² + bx + c = a(x - x_{1})(x - x_{2})

D = b² - 4ac

x_{12} = ( - b ± √D ) / 2a

~~~~~~~~~~~~

Let x² = y , then y² + 8y - 9

Find the roots of equation y² + 8y - 9 = 0

D = 64 + 36 = 100 = 10²

y_{1} = ( - 8 - 10) / 2 = - 9  

y_{2} = ( - 8 + 10) / 2 = 1

y² + 8y - 9 = (y - 1)(y + 9) = (x² - 1)(x² + 9)

x² = 1 ⇒ x_{12} = ± √1

x^{4} + 8x² - 9 = (x - 1)(x + 1)(x² + 9)

5 0
3 years ago
Please help me, i promise its worth it!!!
Rashid [163]

\\ \sf\longmapsto 2(L+B)=55

\\ \sf\longmapsto 2(\dfrac{4}{3}x+x)=55

\\ \sf\longmapsto \dfrac{8}{3}x+2x=55

\\ \sf\longmapsto \dfrac{8x+6x}{3}=55

\\ \sf\longmapsto \dfrac{14x}{3}=55

\\ \sf\longmapsto 14x=165

\\ \sf\longmapsto x=11.78

\\ \sf\longmapsto x\approx 12

Now

  • B=x=12
  • L=4/3(12)=4(4)=16
5 0
3 years ago
Read 2 more answers
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