Solve the system of linear equations by graphing, round the solution to the nearest tenth.y=-0.25x+4.7
y=4.9x-1.64
The approximate solution to the system is (____,____).

Answers

Answer 1
Answer: For this case we have the following system of equations:
 y = -0.25x + 4.7 y = 4.9x-1.64
 When solving the problem graphically we must take into account the following:
 1) The solution of the system of equations is given by the intersection of both functions.
 2) The solution is an ordered pair of the form (x, y)
 For this case we observe that the solution is given by:
 (x, y) = (1.23, 4.39)
 Note: see attached image.
 Answer:
 
The approximate solution to the system is (1.23, 4.39)
Answer 2
Answer:

The approximatesolution to the system is (1.23,4.39).

what is Graphical method?

Graphical method, or Geometric method, allows solving simple linear programmingproblems intuitively and visually. This method is limited to two or three problems decision variables since it is not possible to graphically illustrate more than 3D.

For this case we have the following system of equations:

y=-0.25x+4.7

y=4.9x-1.64

The above linear system equation can be solved using graph, using

1) The solution of given system of equations can be determined  by the intersecting point of equation.

2) Then the solution will be an ordered pair, form (x, y).

Now considering the above two points, the graph is attached below:

look at the intersecting point here, the x- coordinate is 1.23 and the ycoordinate is approx. 4.40.

Hence, the approximate solution to the system is (1.23,4.39)

Learn more about graph here:

brainly.com/question/10679748

#SPJ5


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Which of the following is the correct mathematical expression for:Double a number and then increase it by five
A-) 2x + 5
B-)2x - 5
C-) 1/2x +5
D-) 1/2x-5

Answers

Answer:

A

Step-by-step explanation:

it's so hard to explain but I'm pretty sure A is the answer

The correct answer is A!

The answer's are in the Image sorry if you cant see them so heres the answers from the imageA.) -4
B.) -3
C.) 5/3
D.) 5

Answers

..5/3 is the answer..

Which number is the largest?
A) 1.81
B) 1.08
C) 1.801

Answers

A) 1.81...............
1.81 is the largest.

Provide a counterexample for the following statement: "The product of two irrational numbers is always irrational."

Answers

Answer:

A

Step-by-step explanation:

We know that root 2 is irrational, but root 2 times root 2 is 2, which is rational.

Hope this helped!!!

Factor the expression:
280z - 25y - 30
PLS ASAP

Answers

Answer:

5(56z - 5y - 6)

Step-by-step explanation:

Forst step is finding a common factor, you can do this easily by looking at the ones digit. All 3 values end in 0 or 5, so a factor is definately 5.

We now divide all values by 5.

280z / 5 = 56z \n  (- 25y)  / 5 = ( - 5y) \n ( - 30)  / 5 = ( - 6)

Once you get a prime number after factoring, that is the GCF, Greatest Common Factor. We can make an equation like what is below to show oir factored answer.

5(56z - 5y - 6)

Help me plz!!!!!!!!!!!

Answers

Answer:

88%

Step-by-step explanation:

22/25 = .88 x 100= 88%

Answer:

88%

Step-by-step explanation:

First, you start with the bottom (denominator). You turn it into 100 since all percentages are over 100. So 25 times 4 is 100. Therefore, you also have to multiply the top with a 4, getting an 88 over 100. That is equal to 88%.