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avanturin [10]
3 years ago
11

Help please thank you!

Mathematics
1 answer:
irga5000 [103]3 years ago
8 0

Answer:

Step-by-step explanation:

W(-4,-10) lies on third quadrant.

M(-12,0) lies on second quadrant or can say in x axis

C(8,3) lies on first quadrant.

K(11,-5) lies on fourth quadrant.

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(PLEASE HELP ASAP)
UNO [17]

9514 1404 393

Answer:

  A. 3×3

  B. [0, 1, 5]

  C. (rows, columns) = (# equations, # variables) for matrix A; vector x remains unchanged; vector b has a row for each equation.

Step-by-step explanation:

A. The matrix A has a row for each equation and a column for each variable. The entries in each column of a given row are the coefficients of the corresponding variable in the equation the row represents. If the variable is missing, its coefficient is zero.

This system of equations has 3 equations in 3 variables, so matrix A has dimensions ...

  A dimensions = (rows, columns) = (# equations, # variables) = (3, 3)

Matrix A is 3×3.

__

B. The second row of A represents the second equation:

  0x_1+1x_2+5x_3=-1

The coefficients of the variables are 0, 1, 5. These are the entries in row 2 of matrix A.

__

C. As stated in part A, the size of matrix A will match the number of equations and variables in the system. If the number of variables remains the same, the number of rows of A (and b) will reflect the number of equations. (The number of columns of A (and rows of x) will reflect the number of variables.)

6 0
2 years ago
linda is building a rectangular playhouse. the width is x feet. the length is x + 3 the distance around the base of the playhous
Zanzabum
No. The value of x is 7.5 feet.
7 0
3 years ago
True or false by definition a simple random sample of size n
Sophie [7]
True

I hope I helped you out
7 0
3 years ago
What is 234781518168816+191619181910170<br>​
EastWind [94]

Answer:

4.264007e+14

Step-by-step explanation:

Hope this helps

7 0
2 years ago
Read 2 more answers
Find the height of the triangle.​
lesya [120]

Answer:

72.83

Step-by-step explanation:

61²+x²=95²

3721+x²=9025

x²=<u> </u><u>530</u><u>4</u>

<u>x</u><u>=</u><u> </u><u>72.83</u>

5 0
3 years ago
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