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Thepotemich [5.8K]
3 years ago
8

Write the sum using summation notation, assuming the suggested pattern continues.

Mathematics
1 answer:
Lyrx [107]3 years ago
8 0

Answer:

second sum

Step-by-step explanation:

Note the given terms are perfect cubes, that is

343 = 7³

512 = 8³

729 = 9³

1000 = 10³

The sequence continues in this way as indicated by the dots ......

The first term is 343 and occurs when n = 7

The sequence is infinite, thus can be expressed as

∑ n³ from n = 7 to infinity

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Is this a funcion? Explain why.<br><br> X: -2, 0, 1, -2<br> Y:4, 5, 4, 5
Alina [70]

Answer:

<em>No</em>

Step-by-step explanation:

it isn't a Function because the Domain (X coordinate) repeats a number.

Take this note:

Domain (x) repeats: Not a function

Domain(x) doesn't repeat: Function

Hope this helps ;)

7 0
2 years ago
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Which of the following is equal to [(x2y3)-2/(x6y3x)2]3 ?
Alona [7]

Answer:

a=√x3y5 or a=−√x3y5

Step-by-step explanation:

4 0
2 years ago
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How do I graph -2=-2x+y
igor_vitrenko [27]
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6 0
3 years ago
In the oak forest, 60 kids are playing capture the flag.That is 40 percent of all kids in the park.How many kids are in the park
Romashka [77]

Answer:

150 kids

Step-by-step explanation:

If 60 kids is 40% of the total kids, we can add another 60 to get 80% and then half of 60 (30) to bring the total up to 100% of the kids.

6 0
2 years ago
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Eighty-five more than the square of a number is the same as the square of the quantity that is 17 less than the number. What is
mario62 [17]
We can turn this word problem into the following equation:
x^2 + 85 = (x - 17)^2
  x^2 + 85 = x^2 - 34x + 289
           -85                       -85
_______________________
      x^2 = x^2 - 34x + 204                    
     +34x         +34x
_______________________
 x^2 + 34x = x^2 + 204
-x^2             -x^2
____________________
       34x = 204
Divide 34 on both sides
      x = 6.
The number is 6.
5 0
3 years ago
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