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Nady [450]
2 years ago
12

Type the correct answer in each box. find the cofactors of each entry in the first row of the matrix . ac11 = ac12 = ac13 =

Mathematics
1 answer:
natima [27]2 years ago
4 0

The cofactors of each entry in the first row of the matrix are

Ac_11 = -13

Ac_12 = 44

Ac_13 = 27

We have to determine the cofactors of each entry in the first row of the matrix.

Therefore the cofactors of each entry in the first row of the matrix are

Ac_11 = -13

Ac_12 = 44

Ac_13 = 27.

A set of numbers is arranged in rows and columns so as to form a rectangular array. The numbers are called the elements, or entries, of the matrix.

Machines had to find a way to cut themselves off from the truth in order to understand humans. Neo's sole purpose in the Matrix is ​​to prevent machines from evolving into dinosaurs.

Learn more about the matrix at

brainly.com/question/1821869

#SPJ4

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Answer:

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Step-by-step explanation:

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f(t) =  8400 (1 + \frac{2.2}{12 \times 100} )^{12t} = 8400(1.0018)^{12t}        {Rounded to the four decimal places} (Answer)

Now, for t = 1 year, f(1) = $8586.67

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5 0
3 years ago
Is this a right triangle 6,12,8
allochka39001 [22]

Answer:

No it is a obtuse triangle

Step-by-step explanation:

3 0
3 years ago
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Three years ago, Sherman was twice as old as Clive. If Clive’s present age is c, which expression represents Sherman’s present a
iogann1982 [59]
2(c-3)=s

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7 0
3 years ago
Prove Forall x elementof Z, x^2 - 5x - 1 is odd.
Diano4ka-milaya [45]

Answer with Step-by-step explanation:

Let Z be a set of integers

We have to prove that x^2-5x-1 is odd for all value of x \inZ.

There are two cases

1.When x is an odd integer number

2.when x is even integer number

1.When x is an odd integer  number

When x is positive odd integer

Then x^2  is positive odd number (because square of odd positive number is always positive an odd number )

5x is also odd number

-5x -1 = -even number

Suppose x=3

Then -15-1=-16

Odd number - even number=Odd number

Hence ,x^2-5x-1 is an odd number .

When x is negative odd number

Then  x square is positive odd number  and 5x is negative odd term term

Therefore,odd number + odd number -1=Even  number -1=Odd number

Hence x^2-5x-1 is an odd number.

2.When  x is an even number

When x is positive even number

x square is positive even number  and 5x is positive even number

Even number -Even number -1 =Even number -odd number =Odd number

Suppose x=4

x^2-5x-1=16-20-1=-5=Odd number

When x is negative even number

Then x square is positive even number  and 5x is negative even number

x^2-5x-1=Even number +Even number -1=Even number -1=Odd number

Hence, for all elements of Zx^2-5x-1is odd.

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3 years ago
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Sonbull [250]

Answer:

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