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Olin [163]
3 years ago
13

Express the series using sigma notation. 2 - 6 + 18 – 54 + 162 ...

Mathematics
1 answer:
andrey2020 [161]3 years ago
4 0
This is ur required result in attachment

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Pls help me and show work pls
ElenaW [278]
3/6 cause there are 3 evens and 3 odds on a dice
3 0
3 years ago
10^2+12^2+14^2+......+26^2=??
Kazeer [188]

Answer:

3156

Step-by-step explanation:

  • <em>Used formula:</em>
  • <em>(1² + 2² + 3² + ... + n²) =1/6*n(n + 1)(2n + 1)</em>

--------

  • 10²+12²+14²+......+26² =
  • (2*5)²+(2*6)² + (2*7)² + ... + (2*13)² =
  • 4*(5²+6²+7²+...+13²) =
  • 4*(1²+2²+...+13² - (1²+2²+3²+4²)) =
  • 4*(1/6*13(13+1)(2*13+1) - (1+4+9+16)) =
  • 4*(1/6*13*14*27- 30) =
  • 4*(819 - 30) =
  • 4*789 =
  • 3156
3 0
4 years ago
Which expression is equivalent to 3√32x^8y^10?
denpristay [2]
<span>
3√(32x^8y^10)
= </span><span>3√(16*2 x^8y^10)
= 12x^4y^5 </span>√2

Hope it helps
6 0
4 years ago
Read 2 more answers
arun had 50 rupees if he had spent 3 by 5 of his money on an alarm clock how much money is he left with him
Snowcat [4.5K]

Answer:

total money=rupees 50

3/5 of 50= rupees 30

money he spent = rupees 30

money he's left with =50-30=20

<em>mark this as brainliest!!!!</em>

<em>pls</em><em> </em><em>follow</em><em> </em><em>me</em><em>!</em><em>!</em>

4 0
3 years ago
Read 2 more answers
Change this into decimal step by step plz
nika2105 [10]

Answer:

2.6

Step-by-step explanation:

3/5 ---> ?/100

100/5 ---> 20

3       20         60

--  x           =   -------

5       20         100

60/100 = 6/10

6/10 as a decimal is 0.6

2 + 0.6

= 2.6

<h2>Hope this helps!!</h2>
7 0
3 years ago
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