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Alexandra [31]
3 years ago
9

Ill give you brainliest pleaseeeeeeee help me

Mathematics
1 answer:
ruslelena [56]3 years ago
4 0
Line D and C because they are not parallel but distorted or unsymmetrical
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D. It Is The Most Fitting Answer. The Other 3 Equal More Than Needed.
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3 years ago
WILL GIVE BEST RESPONSE
tino4ka555 [31]
We will use demonstration of recurrences<span>1) for n=1, 10= 5*1(1+1)=5*2=10, it is just
2) assume that the equation </span>10 + 30 + 60 + ... + 10n = 5n(n + 1) is true, <span>for all positive integers n>=1
</span>3) let's show that the equation<span> is also true for n+1, n>=1
</span><span>10 + 30 + 60 + ... + 10(n+1) = 5(n+1)(n + 2)
</span>let be N=n+1, N is integer because of n+1, so we have
<span>10 + 30 + 60 + ... + 10N = 5N(N+1), it is true according 2)
</span>so the equation<span> is also true for n+1, 
</span>finally, 10 + 30 + 60 + ... + 10n = 5n(n + 1) is always true for all positive integers n.
<span>
</span>
4 0
3 years ago
What shape is similar to the original shape
Yuri [45]

Answer c

Step-by-step explanation:

they have to be equivalent

8 0
3 years ago
How do i simplify 45/99 into a fraction
Travka [436]
Put it in a decimal then divide
4 0
3 years ago
Read 2 more answers
Which variable will you choose to eliminate? How? -3x -8y=-24 and <br> 3x - 5y= 45
Jet001 [13]

Answer:

Lets choose y

  • -8y=3x-24
  • y=-3/8x+3

Plug in

  • 3x+15/8x-15=45
  • 39/8x= 60
  • x=480/39
3 0
3 years ago
Read 2 more answers
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