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yanalaym [24]
3 years ago
11

What is the sum of the series 18 E n=4 (n+1) ^2? 1,239 2,415 2,440 2,469

Mathematics
2 answers:
Akimi4 [234]3 years ago
8 0

Answer:

<h2>C. <em><u>2</u></em><em><u>4</u></em><em><u>4</u></em><em><u>0</u></em></h2>

Step-by-step explanation:

hope it helps u too

Leto [7]3 years ago
5 0

9514 1404 393

Answer:

  (c)  2440

Step-by-step explanation:

The sum of the squares of numbers 1 .. n is ...

  s(n) = n(n +1)(2n +1)/6

You want the sum of squares from 5 to 19. We can compute that from ...

  s(19) -s(4) = (19(20)(39) -4(5)(9))/6 = (14820 -180)/6 = 2440

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Mariana runs at a rate of 300 meters how far does she run in 8 minutes​
IgorC [24]

Answer:

well if this is by 300meters in one minutes then it would be 2400 meters

7 0
3 years ago
Select all of the fractions that are equivalent to -2/3 –3/-2 -3/2 2/-2 2/-3 2/3 -2/-3 Please hurry and help I really need it​
lianna [129]

Answer:

2/-3

Step-by-step explanation:

Hope this helped. And I know that you can choose more than one, but I'm pretty sure this is the only one that's equivalent to -2/3

5 0
3 years ago
918 cubic yd = _cubic feet
seraphim [82]
918x3=2754 the answer is 2757 wecome
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2 years ago
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ANTONII [103]
Please help me because I can’t figure out the answer
6 0
3 years ago
Rebbeca's recipe calls for 4/5 of a cup of flour. She plans to make 1/4 of the recipe. How much flour will she use?
sukhopar [10]
1/4 of 4/5
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