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3 years ago

Will give Brainliest if answer is correct!

Mathematics

1 answer:

Kryger [21]3 years ago

7 0

Answer:

a|| b then

<6=<4=<2=146

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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

b. The second row represents the equation ...

y + 5z = 2

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)

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

Explain how you would solve for the value of x when you are given the solution to a function.

Svetlanka [38]

Answer:

Substitute

Step-by-step explanation:

Substitute the values given in the function

and you will get the answer.

P.s. It depends on the question

3 0

3 years ago

a fuel mixture consists of 3 parts oil and 11 parts gasoline. the oil costs $0.75 per liter, and the gasoline costs $1.60 per li

kupik [55]

Answer:

Total selling price= $663.82

Selling price per liter= $1.69

Step-by-step explanation:

Giving the following information:

Proportion of oil and gasoline:

Oil= 3/14= 0.21

Gasoline= 11/14= 0.79

The oil costs $0.75 per liter.

The gasoline costs $1.60 per liter.

First, we need to calculate the number of liters of oil and gasoline required:

Oil= 0.21*392= 82.32 liters

Gasoline= 0.79*392= 309.68

Now, the total cost to produce 392 liters:

Total cost= 82.32*0.75 + 309.68*1.6

Total cost= $577.23

Finally, the total and unitary selling price:

Total selling price= 577.23*1.15= $663.82

Selling price per liter= 663.82 / 392= $1.69

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3 years ago

15PTS PLEASE HELP ASAP! (dont write random answers pls)

Anna35 [415]

Answer:

Step-by-step explanation:

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3 years ago

What is the perimeter of a triangle with the given side lengths? s1 = x – 3 ft s2 = x 2 ft s3 = x 4 ft

choli [55]

The perimeter of the triangle with those given lengths is $x7-3$

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3 years ago