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velikii [3]
2 years ago
14

Marshall has an account balance of -$49.18. Does Marshall owe the bank more or less than $50?

Mathematics
2 answers:
geniusboy [140]2 years ago
8 0

Answer:

Marshall owes less than 50$

Naddika [18.5K]2 years ago
8 0

Answer:

It less than, -$49.18 < $50

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X = 9 I hope this helps!

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If you flip three fair coins, what is the probability that you'll get at least two heads?
Dahasolnce [82]

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1/8

Step-by-step explanation:

I've done this before.

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What is the rate of change between the points (-3, 0) and (-2, -5)?​
Elis [28]

The rate of change is the change in Y over the change in X.

Rate of change =  (-5 - 0) / (-2 - -3)

Rate of change = (-5 ) / (-2+3)

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Rate of change = -5

3 0
3 years ago
Are the following statements true or false? 1. If two row interchanges are made in sucession, then the determinant of the new ma
True [87]

Answer:

  1. True.
  2. True.
  3. False.
  4. False.

Step-by-step explanation:

1. <em>If two row interchanges are made in sucession, then the determinant of the new matrix is equal to the determinant of the original matrix. - </em><em>True.  </em>

If you interchange two rows in sucession, then the determinant of the obtained matrix is equal to determinant of the original matrix, so this statement is true.

2.<em> If det(A) is zero, then two rows or two columns are the same, or a row                       or a column is zero. - </em>True.

A determinant is equal to 0 if

  • two rows or columns are the same or in a proportion
  • any row or column consist of zeros only.

3. <em>The determinant of A is the product of the diagonal entries in A. - </em>False.

We determine the value of a determinant by choosing a single row or a column (usually, we choose the ones which have zeros, to make the calculation faster and easier). Then, we cross the row and column of the first element and find the determinant of the smaller matrix obtained. Then, we multiply it by the chosen element and its sign  determined by (-1)^{i+j}, where i, j are its row and column. We repeat the process for each element from the chosen column or row.

Therefore, the value of the determinant is not equal to the product of the diagonal entries.

4.  \det (A^T) = (-1) \det (A) - False.

Transposing a matrix does not change its determinant.

8 0
3 years ago
-(7x-8) = 9x - 4 solve for x
Maslowich

Answer:

-(7x-8)=9x-4

We move all terms to the left:

-(7x-8)-(9x-4)=0

We get rid of parentheses

-7x-9x+8+4=0

We add all the numbers together, and all the variables

-16x+12=0

We move all terms containing x to the left, all other terms to the right

-16x=-12

x=-12/-16

x=3/4

7 0
2 years ago
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