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
bogdanovich [222]
3 years ago
10

Which matrix represents the system of equations shown below? 3x -7y=21

Mathematics
1 answer:
Serjik [45]3 years ago
8 0

\left\{\begin{array}{ccc}3x-7y=21\\4x+5y=11\end{array}\right \\\\.\ \ x\qquad y\ \ const.\\\left[\begin{array}{ccc}3&-7\\4&5\end{array}\right|\left\begin{array}{ccc}21\\11\end{array}\right]

You might be interested in
It was 96 kilometers from perry to medford. David raced to medford and idled back. If the round trip took 8 hours, what was his
valkas [14]
Average speed = (total distance) / (total time)

Average speed = (192 km) / (8 hours) = 24 km per hour .
3 0
3 years ago
Read 2 more answers
What is the position<br> number of the term<br> 125 in the sequence<br> f(n) = 2n+3?
spin [16.1K]

Answer:

61st term in the sequence

Step-by-step explanation:

125 = 2n + 3

122 = 2n

n = 61

8 0
2 years ago
.006 + .0002 in scientific notation
Vilka [71]
6.2 x 10^-3 Because when you add them together you get .0062 so you don't want anymore than one number to the left of decimal when in scientific notation therefore its 6.2 so you wanna move the decimal three spaces to the left to get .0062 therefore its 6.2x10^-3
6 0
3 years ago
Carter digs a hole at a rate of 3/4 feet every 10 minutes. After digging for 30 minutes, Carter places a bush in the hole that f
Kobotan [32]

Answer:

the calibration of the system

Step-by-step explanation:

7 mobiles

6 0
2 years ago
Zivia is given the ordered pair (4, 16) from a table. She decides that the quantities in the table form a proportional relations
kirill115 [55]

Answer:

No

Step-by-step explanation:

You need to have at least 2 points to do that.

if you had the point (4,16) AND (2,7) you could do it

8 0
2 years ago
Other questions:
  • the mendez family just bought a home for 180,000 if the value of the home increases at a rate of 3% per year, use an exponential
    8·1 answer
  • The tree in your friend's yard casts a shadow that is 27 feet long. Your friend is 5 feet tall and casts a shadow that is 4.5 fe
    5·2 answers
  • What is the slope of the line passing through the points (1, −5) and (4, 1)? −45 54 2 −2
    7·2 answers
  • What is the area of the figure James drew
    12·1 answer
  • A sandwich shop offers 3 rypes of bread and 4 types of meat. How many different sandwiches consisting of 1 type of bread and 1 t
    5·1 answer
  • How do you get the positive zeros and negative zeros?
    10·1 answer
  • Aviah uses the treadmill at Biff's Gym. She sets the speed to a constant 4 miles per hour.
    13·1 answer
  • This question has 2 parts.
    7·1 answer
  • The driving distance for the top 100 golfers on the PGA tour is between 284.7 and 310.6 yards (according to GolfWeek). Assume th
    9·1 answer
  • Hello? STOP RIGHT THERE.... Please help me with this.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!