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
spin [16.1K]
3 years ago
14

First choose which of the following statements are correct. If there is more than one reason why the system is not in echelon fo

rm, type the letters as a comma separated list. If the system is in echelon form, make sure to type D as your answer. A. The system is not in echelon form because a variable is the leading variable of two or more equations. B. The system is not in echelon form because the system is not organized in a descending "stair step" pattern so that the index of the leading variables increases from the top to bottom. C. The system is not in echelon form because not every equation has a leading variable. D. The system is in echelon form.

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
3 0

Answer:

D. The system is in echelon form.

Step-by-step explanation:

Check attachment

You might be interested in
Percent change with 36;63
77julia77 [94]

The percent change from 36 to 63 is 63/36=1.75 (multiply by 100 to get a percentage) 175%
The percent change from 63 to 36 is 36/63=0.571=57.1%
8 0
3 years ago
The record low temperature for a town is -13F. Yesterday, it was 6F. What is the difference between the absolute values of these
Keith_Richards [23]

Answer:

7

Step-by-step explanation:

We know that absolute values are the non negative equivalents to a negative. For instance, -8's absolute value is 8. In the question, you are being asked what the difference is. If we do a simple equation: 13 - 6 = 7, we get the answer.

5 0
2 years ago
Jillian is trying to save water, so she reduces the size of her square grass lawn by 8 feet on each side. The area of the smalle
bulgar [2K]

Answer:

20 x 20 feet

Step-by-step explanation:

First I just drew out two squares, one was the first un-cut square and the second is the cut one. Since we know that the area of the smaller square is 144, and Area is just side^2 , we know that all the sides of the smaller square are 12. Now, all we have to do is add 8 to 12 to get the original lawn. The original lawn was a 20 x 20 ft lawn.

5 0
2 years ago
A diver begins at sea level and descends vertically at a rate of 2 1/2 ft. per second. How long does the diver take to reach -15
galina1969 [7]

2 1/2 feet can be written as 2.5 feet.

Divide the total distance by the distance per second:


15.6 feet / 2.5 feet per second = 6.24 seconds.

7 0
3 years ago
Encontrar el valor d la variable
Yuki888 [10]
I think it may be 5+3 and carry the one up top to get the sum of 56.
7 0
3 years ago
Other questions:
  • 3 solutions for equation <br> y=7x
    14·1 answer
  • Please help super hard
    14·1 answer
  • 1 over 2 x plus 2 over 3 equals 3 over 4
    12·1 answer
  • BRAINLIESTTT ASAP!!!!
    10·1 answer
  • It’s the red one but tell me why plz now hurry 4 min left
    13·1 answer
  • Use the information provided to write the standard form equation of each ellipse.
    5·1 answer
  • Simplify by using the distributive property. -4(x+2)
    12·2 answers
  • I need help and the teacher didn’t explain this to us but how do I solve function notations?
    13·1 answer
  • Change each improper fraction to a mixed number. <br><br>10/4____?​
    5·1 answer
  • Ollie, a young man with insurance coverage, ends up in the hospital with a broken wrist suffered while playing football with a g
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!