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3 years ago

I WILL MARK BRAINLIST

1 answer:

Taya2010 [7]3 years ago

8 0

Okay so to get this answer u have too Take 17 and subtract 2 This equals 15, So the answer would be 15, This is how I get my answers at least

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Drew dis its one of kmk charactersssss

valentina_108 [34]

Step-by-step explanation:

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5 0

2 years ago

Associative property 8×30

Ilia_Sergeevich [38]

Answer:

I think you mean commutative property. 30 * 8

Step-by-step explanation:

This does not have parentheses around anything. To solve with commutative property switch the digits.

7 0

3 years ago

Let A be a 5 × 4 matrix with a pivot in each column. Is A invertible? Why or why not?

erastova [34]

Answer:

Matrix A is not invertible.

Step-by-step explanation:

Invertible matrix are those matrix which are square matrix or non singular matrix.

For any matrix to be invertible, matrix should be non singular i.e. det(x) $\neq$ 0.

But for the question given above we cannot find determinant of matrix A as it is not square matrix. so inverse of given matrix does not exist. so it is not possible to have non trival solutions.

6 0

3 years ago

Solve for r. √2/3r + 1 = 23

Keith_Richards [23]

Answer:

2nd option

Step-by-step explanation:

$\frac{\sqrt{2} }{3}$ r + 1 = 23 ( subtract 1 from both sides )

$\frac{\sqrt{2} }{3}$ r = 22 ( multiply both sides by 3 to clear the fraction )

$\sqrt{2}$ r = 66 ( divide both sides by $\sqrt{2}$ )

r = $\frac{66}{\sqrt{2} }$ × $\frac{\sqrt{2} }{\sqrt{2} }$ ( rationalising the denominator )

r = $\frac{66\sqrt{2} }{2}$ = 33 $\sqrt{2}$

7 0

2 years ago

Read 2 more answers

Solve for T: R = X - T please help Me!!

777dan777 [17]

The answer to the question

3 0

3 years ago