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
svet-max [94.6K]
3 years ago
15

Which matrix Is the product of a 3x3 identity matrix and the scalar 3

Mathematics
1 answer:
maw [93]3 years ago
8 0

Answer:

  Each diagonal element will be 3. Off-diagonal elements will be zero.

Step-by-step explanation:

The one that looks like ...

  \left[\begin{array}{ccc}3&0&0\\0&3&0\\0&0&3\end{array}\right]

You might be interested in
Simplify. 14a^2bc^4/21abc^6
kramer
14a^2bc^4/21abc^6 = 2a/3b^2
7 0
3 years ago
Read 2 more answers
A box company is designing a new rectangular gift container. The marketing department has designed a box with a width 2 inches s
Sladkaya [172]
Volume of the box= <span>56 cubic inches
let x is the length, then
width =</span><span>2 inches shorter than its length = x - 2
</span>height =  <span>3 inches taller than its length = x+3
Volume = length x width x height
56 = x x (x-2) x (x+3)
56 = (x</span>² -2x)(x+3)
56 = x³ +3x² -2x² - 6x
56 = x³ + x² -6x
x³+x²-6x-56 = 0
using the rational root theorem and factoring the polynomial;
(x-4)(x² +5x +14) = 0
from here;
x-4 = 0
x = 4
So, length = 4 inches
width = x - 2 = 4 -2 = 2 inches
length = x + 3 = 4 + 3 = 7 inches
volume = l x w x h = 4 x 2 x 7 = 56
3 0
3 years ago
A restaurant has 57 chairs.There are 4 chairs at each table. About how many tables are in the restaurant?
liubo4ka [24]
The answer is fourteen
5 0
3 years ago
Read 2 more answers
Philip has $2,000 &amp; spends $23.75 on supplies. He divides the remaining amout equally among his 8 employees. How much does e
Brut [27]

Answer:

247.03125

Step-by-step explanation:

Subtract: 2000 - 23.75 = 1976.25

Divide: 1976.25 / 8 = 247.03125

Hope this helps!

4 0
3 years ago
Arrange the numbers as they appear from left to right on a horizontal number line. -5/7, 2 5/7, 5/7, -1 5/7, 1 2/7, -1/7, -2 2/7
zhuklara [117]

Answer:

-2 2/7, -1 5/7, -5/7, -1/7, 5/7, 1 2/7, 2 5/7

5 0
3 years ago
Other questions:
  • Find the values of X and Y in an isosceles triangle where one angle is 47°
    13·1 answer
  • Area of a pentagon with a radius of 8m
    14·1 answer
  • How to solve this question
    15·1 answer
  • Find the domain and range of the function graphed. Assume that the function has arrows that extend the graph past the screen sho
    8·1 answer
  • Bill is depositing money into a money market account. Let y represent the total amount of money in the account (in dollars). Let
    5·1 answer
  • 14+18=2 x 18 - 7 using PEMDAS
    5·1 answer
  • Help please help please help please
    10·2 answers
  • NUMBER 41 FIND THE VALUE OF X
    8·1 answer
  • A ball is dropped from a height of 180 meters. The height of the ball can be represented by
    7·1 answer
  • Let f(x)=4x^2-2<br> f(t+1)
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!