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
ludmilkaskok [199]
3 years ago
15

Refer to matrix A and identify the matrix element a31.

Mathematics
1 answer:
Blizzard [7]3 years ago
5 0
<h3>Answer:  D) 7</h3>

===================================================

Explanation:

a31 means "the value in the third row, first column". That value is 7

As another example, a22 = 3 since 3 is in the second row, second column.

Another example: a12 = -1 because we're in the first row and second column.

This is a 3x2 matrix due to it having 3 rows and 2 columns.

You might be interested in
Please Help me now plz
Neko [114]

Answer:

On the circle

Step-by-step explanation:

The distance between D and G is:

\sqrt{(-1-(-10))^2+(3-1)^2}=\sqrt{9^2+2^2}=\sqrt{81+5}=\sqrt{86}

If point J is not exactly this far, then it is not on the circle.

\sqrt{(-1-(-3))^2+(12-3)^2}=\sqrt{2^2+9^2}=\sqrt{5+81}=\sqrt{86}

Therefore, it is on the circle. Hope this helps!

8 0
3 years ago
A set of Megasus Horserunners is 159 euros. At an exchange rate of 1 euro = 1.16 dollars, what’s that in U.S dollars?
Pani-rosa [81]
184.44 is the answer.

-Brainliac

4 0
3 years ago
What is the ratio of 1.6 million to 2.3 million
Vlada [557]

i think the answer is 0.695652174

7 0
3 years ago
Is 4 to 7 the same as 7 to 4? Explain why or why not
Pavlova-9 [17]
Yes

Step-by-step explanation:
4×7=28
and 7×4 also equal to 28
8 0
3 years ago
Ethan went bowling on Saturday night. His scores were 128, 97, 123, and 108. What was his average score for the night?
telo118 [61]

Answer:

114

Step-by-step explanation:

97+108+123+128=456

\frac{456}{4} = 114

3 0
2 years ago
Other questions:
  • Got another 1 pls ASAP
    12·1 answer
  • If there are nine marbles in a bag and 4 are red and 5 are blue, what is the ratio of red to blue?
    8·2 answers
  • What is the difference in the measures of the radii of cylinder Y and cylinder Z, in inches?
    14·2 answers
  • The distance from town A to town B is divided into 8 equal parts. So far, a bus has traveled 12 Miles. How far apart are town A
    10·1 answer
  • Explain how to divide 0.27 by 0.03
    7·1 answer
  • Write an equation to represent the
    15·2 answers
  • Real or Irrational?<br> 2.395...
    10·1 answer
  • Nick is studying the triangle sum theorem in his geometry class. The triangle sum theorem states that the sum the measures of th
    12·2 answers
  • How come schools never teach abt things that we're actually gonna need in real life. like i doubt that knowing abt the american
    15·2 answers
  • PLZZZZZZZZZZZZZZZZZZ HELP WILL GIVE BRAINLIEST
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!