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mylen [45]
2 years ago
15

Write out the sum. Do not evaluate.∑∑k=1 (k^2-5k-3)

" id="TexFormula1" title="4\\E(K^2-5k-3)\\k=1" alt="4\\E(K^2-5k-3)\\k=1" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
VARVARA [1.3K]2 years ago
8 0

Series are sum of a given sequence.. The sum of the given expression is -33

<h3>Sequence and series</h3>

Series are sum of a given sequence. According to the given expression

∑∑k=1 (k^2-5k-3)

Taking the sum from k = 1 to k = 4

Sum = (1-5-3) + (4-10-3) +(9-15-3)+(15-20-3)

Sum = (-7) + (-9) + (-9) + (-8)

Sum = -33

Hence the sum of the given expression is -33

Learn more on sum notation here: brainly.com/question/542712

#SPJ1

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Which algebraic expression is equivalent to the expression below? 2(3 + 5x) + 24 A. 10x - 30 B. 10x + 18 C. 5x + 30 D. 10x + 30
tekilochka [14]

Answer:

10x +30

Step-by-step explanation:

2(3 + 5x) + 24

Distribute

2*3 + 2*5x+24

6+10x+24

Combine like terms

10x +30

6 0
3 years ago
6. A vertex is a point where _____ or more edges meet.​
Orlov [11]

Answer:

2

Step-by-step explanation:

8 0
3 years ago
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One can determine whether a binary tree is a binary search tree by traversing it in.
andreyandreev [35.5K]

One can determine whether a binary tree is a binary search tree by traversing it in is In-order Traversal.

<h3>How do you traverse a binary search tree?</h3><h3>In-order Traversal</h3>

In this traversal method, the left subtree is visited first, then the root and later the right sub-tree. We should always remember that every node may represent a subtree itself. If a binary tree is traversed in-order, the output will produce sorted key values in an ascending order.

As,

In the case of binary search trees (BST), In-order traversal gives nodes in non-decreasing order.

For Inorder, you traverse from the left subtree to the root then to the right subtree.

To get nodes in non-increasing order,  Inorder traversal s reversed can be used.

Hence, traversing is  Inorder

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brainly.com/question/12946457

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4 0
2 years ago
Help me on this problem plz and show work on paper plz
Harrizon [31]
Yes, it would for a right triangle and it can be checked using the Pythagorean theorem

4 0
3 years ago
|x-(-12)|; if x&gt;-12 pls help!!!!
Valentin [98]

Answer:

because -12 is smaller than x

Step-by-step explanation:

for example some one got 14$ and lost 12$ it mean this -12 and the remaining keep it as 12$ no plus sign

8 0
2 years ago
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