1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
laiz [17]
3 years ago
7

A general 2x2 diagonal matrix has the form(a00b). Thus the two unknown real numbers a b are needed to specify each 2x2 diagonal

matrix. In Exercises 11 16, how many unknown real numbers are needed to specify each of the given matrices
1. An upper triangular 2x2 matrix?
2.) An m × n matrix?
Mathematics
1 answer:
horsena [70]3 years ago
6 0

Answer:

1. 3, and 2. m x n

Step-by-step explanation:

1. for an upper triangular 2x2 matrix i.e. (a,0,c,d), three (03) unknown elements a, c, and d are needed to be specified.

2. for m x n matrix, m*n elements are needed to be specified.

You might be interested in
Need help on numbers 6, 7, and 8 ill mark brainliest if they are right
mr Goodwill [35]

Answer:

Volume of Triangular Pyramid =29920 cubic inches

volume of the sphere = 113.04 cubic millimeters

(Is this answer helpful :-)

3 0
2 years ago
Six ice cream bars and four bags of chips cost $13.50. Ten ice cream bars and five bags of chips cost
balu736 [363]

Answer:

For the 6 ice cream bar: $2.25

For the 10 ice cream bar: $4

Step-by-step explanation:

4 0
3 years ago
HELP PLEASE. Solve. 6(x+20)=168
KiRa [710]

Answer:

x=8

Step-by-step explanation:

6(x+20)=168

Divide each side by 6

6/6(x+20)=168/6

x+20 =28

Subtract 20 from each side

x+20-20 = 28-20

x =8

4 0
3 years ago
Read 2 more answers
Please I need help please and thank u
kogti [31]

Answer:

8x7

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
HELP! PLEASE?! STUCK! Write the following using symbols with X as the variable. The quotient of a number and 4 is -3
notka56 [123]

4<em>x</em>=-3 is how you want to write it

3 0
3 years ago
Read 2 more answers
Other questions:
  • A spinner used in a board game is divided into 12 equally sized sectors. Seven of these sectors indicate that the player should
    11·1 answer
  • 24 divided by 689 show work
    15·2 answers
  • A driveway is 40 yards long. about how many meters long is it? HINT: ( a yard is 0.914 meter long)
    8·2 answers
  • What's 18y^3-6y^2-63y+21
    8·2 answers
  • SE
    6·2 answers
  • What is this simplified? With work? And to the simplest form
    12·1 answer
  • ASAP PLEASE. Solve the problems. Write the complete proof in your paper homework and for online (only) respond to questions or s
    14·1 answer
  • What is the sign of 46.2 + 112.2
    9·2 answers
  • What is the slope of the line passing through (-2,5)and(3,-4)​
    7·2 answers
  • Bella has joined a new gym in town. The cost of membership is $25 per month. The after-hours policy at the gym allows her to wor
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!