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Alina [70]
2 years ago
6

Jack is building a square garden. Each side length measures 7 meters. Jack multiplies 7 x 7 to find the

Mathematics
1 answer:
Luden [163]2 years ago
7 0

Answer:

The area

Step-by-step explanation:

Given

7 * 7= 49

Required

What does 49 represent?

In the context of the question, 49 represents the area

We have:

L = 7 --- side length

So:

Area = L * L

Area = 7 * 7

Area = 49

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vredina [299]

Answer:

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Step-by-step explanation:

how about you do the math yourself

6 0
3 years ago
Solve the following recurrence relation: <br> <img src="https://tex.z-dn.net/?f=A_%7Bn%7D%3Da_%7Bn-1%7D%2Bn%3B%20a_%7B1%7D%20%3D
-Dominant- [34]

By iteratively substituting, we have

a_n = a_{n-1} + n

a_{n-1} = a_{n-2} + (n - 1) \implies a_n = a_{n-2} + n + (n - 1)

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and the pattern continues down to the first term a_1=0,

a_n = a_{n - (n - 1)} + n + (n - 1) + (n - 2) + \cdots + (n - (n - 2))

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\implies a_n = \displaystyle n \sum_{k=0}^{n-2} 1 - \sum_{k=0}^{n-2} k

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\displaystyle \sum_{n=1}^N 1 = N

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It follows that

a_n = n (n - 2) - \dfrac{(n-2)(n-1)}2

\implies a_n = \dfrac12 n^2 + \dfrac12 n - 1

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4 0
2 years ago
PLS HELP
dybincka [34]
12.826+2.93= 15.756

Since you have to round it, your final answer would be 15.8
6 0
3 years ago
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elixir [45]

Answer:

155=35= 120

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Step-by-step explanation:

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2 years ago
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3=g/-4-5 <br> solve for g
devlian [24]

Answer:

4

Step-by-step explanation:

so first you write down the problem and substitute the g by 3 after that you subtract

3 - 4 = 1 - 5 = 4

3 0
3 years ago
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