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sukhopar [10]
3 years ago
14

Tristan had 95 inches of ribbon.He cut off 27.50 inches. How many inches of ribbon remain

Mathematics
1 answer:
tatiyna3 years ago
5 0

Answer:

67.50 inches


Step-by-step explanation:


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The reduced row echelon form of a system of linear equations is given. Write the system of equations corresponding to the given
morpeh [17]

Answer:

  a. x +8z = -1

  b. y +5z = 2

  c. 0 = 0

  d. (x, y, z) = (-1-8z, 2-5z, z)

Step-by-step explanation:

As with the original matrix, the first three columns are the coefficients of the respective variables, and the last column is the constant on the right of the equal sign.

a. The first row represents the equation ...

  x + 8z = -1

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b. The second row represents the equation ...

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c. The third row represents the equation ...

  0 = 0

This equation expresses a truth, so indicates the original system of equations was consistent, but dependent. (a third row of 0 0 0 1 would indicate inconsistent, no solution)

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d. The system is consistent but dependent. The solution can be written as ...

  (x, y, z) = (-1-8z, 2-5z, z) . . . . where z is a free variable

6 0
3 years ago
Kahlil is recording a beat for a song that he is working on he wants the length of the beat to be more than 17 seconds long. His
Svet_ta [14]

In the problem, the length of the beat is take by variable T.

According to problem,

Kahlil wants, "the length of the beat to be more than 17 seconds long".

We took length of beat by variable T.

Therefore, the length of the beat to be more than 17 seconds long could be rephrase as

" T is more than 17".

And in inequality form we can write it as

T>17.

Now, Kahlil's friend told that "beat needs to be 9 seconds longer than that".

So, 17 longer than 9 is 17+9=26.

But as we can see that the beat should be longer than 17 but less than 26 (because 26 is the maximum length in seconds suggested by friend).

So, the final beat should be less than 26.

And we would setup an inequality as

T <  26.

Therefore, Correct option is option D) T < 26 ;  8, 6, 5.



5 0
3 years ago
Please help i will give crowns
-Dominant- [34]

Answer: 20

Step-by-step explanation: see screenshot

7 0
2 years ago
Can u help me plz thanks
Mrrafil [7]
1. x = -4 ; f(x) = -(-4) = 4
2. x = -3 ; f(x) = 2(-3) + 1 = -5
3. x = 0 ; f(x) = 2(0) + 1 = 1
4. x = 2 ; f(x) = 2 + 3 = 5
5. x = 5 ; f(x) = 5 + 3 = 8
4 0
3 years ago
Mr. Velazco made snacks in separate gift bags. He gave one each to the 636 sixth grade students going on the field trip. Then he
prohojiy [21]

Answer:

c

Step-by-step explanation:

8 0
3 years ago
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