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Schach [20]
2 years ago
9

10. If the Federal Reserve sells $50,000 in Treasury bonds to a bank at 8%

Mathematics
1 answer:
horsena [70]2 years ago
7 0

Answer:

b

Step-by-step explanation:

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Reid just got a pet feeder for his cats and filled it with 8 cups of food. The feeder will
Solnce55 [7]

Answer:

I think 7 days for 7 cups.

Step-by-step explanation:

6 0
2 years ago
- 2x+y=2<br> x+6y=-21<br> A) (<br> 34)<br> D) (-3, 4).<br> (-1.4)<br> B) (3.2)
anzhelika [568]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
if there are 20 questions on a test and I get 45% on the test how much is each question worth percent wise?? using numbers and t
alexdok [17]

Answer:

Each question worth 5.

Step-by-step explanation:

Each question worth 5 Point because

5 x 20 = 100

Hence, 20 question each question worth 5 point.

If You get a 45% then you miss 11 question and only get 9 question correct..

9/20 x 100 = 45.

6 0
2 years ago
Read 2 more answers
What happens when the median is between two numbers?
Wewaii [24]
If you mean when 2 numbers are left. then you would, add the numbers together and then divide them by 2

hope i helped


6 0
2 years ago
What is the row echelon form of this matrix?
USPshnik [31]

The row echelon form of the matrix is presented as follows;

\begin{bmatrix}1 &-2  &-5  \\ 0& 1 &  -7\\ 0&0  &1  \\\end{bmatrix}

<h3>What is the row echelon form of a matrix?</h3>

The row echelon form of a matrix has the rows consisting entirely of zeros at the bottom, and the first entry of a row that is not entirely zero is a one.

The given matrix is presented as follows;

\begin{bmatrix}-3 &6  &15  \\ 2& -6 &  4\\ 1&0  &-1  \\\end{bmatrix}

The conditions of a matrix in the row echelon form are as follows;

  1. There are row having nonzero entries above the zero rows.
  2. The first nonzero entry in a nonzero row is a one.
  3. The location of the leading one in a nonzero row is to the left of the leading one in the next lower rows.

Dividing Row 1 by -3 gives:

\begin{bmatrix}1 &-2  &-5  \\ 2& -6 &  4\\ 1&0  &-1  \\\end{bmatrix}

Multiplying Row 1 by 2 and subtracting the result from Row 2 gives;

\begin{bmatrix}1 &-2  &-5  \\ 0& -2 &  14\\ 1&0  &-1  \\\end{bmatrix}

Subtracting Row 1 from Row 3 gives;

\begin{bmatrix}1 &-2  &-5  \\ 0& -2 &  14\\ 0&2  &4  \\\end{bmatrix}

Adding Row 2 to Row 3 gives;

\begin{bmatrix}1 &-2  &-5  \\ 0& -2 &  14\\ 0&0  &18  \\\end{bmatrix}

Dividing Row 2 by -2, and Row 3 by 18 gives;

\begin{bmatrix}1 &-2  &-5  \\ 0& 1 &  -7\\ 0&0  &1  \\\end{bmatrix}

The above matrix is in the row echelon form

Learn more about the row echelon form here:

brainly.com/question/14721322

#SPJ1

8 0
1 year ago
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