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navik [9.2K]
3 years ago
7

17 Points! Examine this system of equations with the procedure for using the linear combination method.

Mathematics
2 answers:
jekas [21]3 years ago
6 0

Answer:

The lines are parallel

There is no solution to the system

I took the test and it said that these are the answers

belka [17]3 years ago
4 0

Answer:

The lines are parallel.

There is no solution to the system.

Step-by-step explanation:

4x − 9y = 54,

16x − 36y = 208

 

−16x + 36y = −216

16x − 36y = 208

-------------------------------------------

 0 + 0 = −8

   0 = −8

Since this is not true, there are no solutions

The lines are parallel

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National Textile installed a new textile machine in one of its factories at a cost of $250,000. The machine is depreciated linea
kirill115 [55]

Answer:

The required expression is y=250,000-24,000 t

Step-by-step explanation:

Consider the provided information.

National Textile installed a new textile machine in one of its factories at a cost of $250,000.

That means for 0 year the cost of the machine is $250,000.

This can be written as: (0, 250,000)

Over 10 years with a scrap value of $10,000

That means for 10 year the cost of the machine is $10,000.

This can be written as: (10, 10,000)

Now first find the rate of change:

Rate of change=m=\frac{Rise}{Run}=\frac{10,000-250,000}{10-0}

Rate of change=m=\frac{Rise}{Run}=\frac{-240,000}{10}

Rate of change=m=\frac{Rise}{Run}=-24,000

Now use the point-slope form of an equation of a line with the point (0, 250,000), we can find the required expression.

(y-250,000)=-24,000(t-0)

y-250,000=-24,000 t

y=250,000-24,000 t

Hence, the required expression is y=250,000-24,000 t

6 0
3 years ago
The perimeter of a square is 100 feet and area is 625 square feet . what is the length of each side
Veronika [31]
25 feet each.  All you have to do is divide the perimeter by how many sides.
6 0
4 years ago
Read 2 more answers
What is the answer please help
vlada-n [284]

Answer:

19.5 * 8.5 = 165.75 dollars

Step-by-step explanation:

5 0
4 years ago
What is the factored form of the following expression?<br> x^2-10xy+21y^2
valentinak56 [21]
The answer would be (x-3y) (x-7y)
You have to group them together
4 0
3 years ago
What is the amplitude of this equation? y = -10cos(5x)
nata0808 [166]

Answer:

The amplitude is 10.

5 0
2 years ago
Read 2 more answers
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