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
Vinil7 [7]
3 years ago
12

Solve the following system of equations by using the inverse of a matrix.

Mathematics
1 answer:
Zepler [3.9K]3 years ago
6 0

Answer:

(x, y, z) = (-8,4,-2)

Step-by-step explanation:

.......................................

You might be interested in
tanya purchased 4 hamners for $11.00 each and 7 scewdrivers for $6.65 each write an expresion for the total cost of the tools.th
rewona [7]
X=numbers of hammers
y=numbers of  scewdrivers
f(x,y)= total cost in $

f(x,y)=11x+6.65y

f(4,7)=4(11)+6.65(7)=44+46.55=90.55

Sol: an expresion for the total cost of the tools is f(x,y)=11x+6.65 y; 
x=number of hammers
y= number of  scewdrivers.
The total cost is $90.55
7 0
3 years ago
Read 2 more answers
What is the solution to -1/6 + (-3/7)
BartSMP [9]

Answer:

-25/42

Step-by-step explanation:

4 0
3 years ago
Slope and points y-12=4/9(x+7)
Jlenok [28]

Answer:

y= 4/9x+136/9

Step-by-step explanation:

Write in slope-intercept form, y = mx = b

4 0
3 years ago
Read 2 more answers
What is the slop and y-intercept of this line y = x - 5
raketka [301]

Answer:

The slope is  

1

y -intercept is  

− 5

.

Step-by-step explanation:

7 0
3 years ago
Decrease 52 by 8.5%<br> maths deceasing percentages
Anastasy [175]
52-8.5\%\cdot52=52-0.085\cdot52=52-4.42=47.58
5 0
3 years ago
Other questions:
  • 120˚
    8·1 answer
  • Please help is due at 8:00 pm
    7·1 answer
  • While in Europe, if you drive 123 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per lite
    10·2 answers
  • Find the number if 3/5 of it is 30
    10·2 answers
  • Evaluate the expression!
    12·1 answer
  • Here are the monthly charges for Jo's mobile phone
    6·1 answer
  • 2. What is the quotient of -18 divided by (- 1/6)?<br> A -108<br> С 3<br> B -3<br> D 108
    11·1 answer
  • Six times a number w is at least -24
    7·1 answer
  • What is the answer <br><br> 10(4 - 3i) =
    11·2 answers
  • Which theorem proves that the two triangles are congruent?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!