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kvasek [131]
3 years ago
8

Solve the system of equations below by graphing them with a pencil and

Mathematics
2 answers:
Ahat [919]3 years ago
7 0

Answer:

Answer is 4, 1. If you graph the lines, they intersect at 4, 1.

Step-by-step explanation:

Karo-lina-s [1.5K]3 years ago
4 0

Answer:

X+5= -x-3

2x = 2

X=1

then y1 is 4

y2 is -1

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What is the perimeter of this figure
IceJOKER [234]
Perimeter? Add up the sides along the outer boxes.
I see you've already marked them.
6+1+2+2+2+1+6+1+2+1=24

Perimeter: 24 
3 0
3 years ago
True or false? in order to inscribe a circle in a triangle, the circle's center must be placed at the incenter of the triangle.
guajiro [1.7K]

Answer:

The given statement is true.

Step-by-step explanation:

In order to inscribe a circle in a triangle, the circle's center must be placed at the incenter of the triangle.

This statement is true.

The INCENTER is the center of the circle that is inscribed in the triangle. Like the centroid, the incenter is always inside the triangle.

6 0
3 years ago
4. find the value of ‘k’ for which 2x 3y = 4 and (k 2) x 6y = 3k 2 has a infinitely many solutions.
Lana71 [14]

For the given system of linear equations to give an infinite number of solutions the value of k should be 2.

<h3>What is a Dependent Consistent System of equations?</h3>

A system of the equation to be a Dependent Consistent System the system must have multiple solutions for which the lines of the equation must be coinciding.

Given the two systems of linear equations,

2x + 3y = 4

(k+ 2)x + 6y = 3k+2

For any system of equations to have infinitely many solutions, the equation of the linear system must be in ratio, so that the lines of the equations overlap each other. Therefore, the ratio for the two of the given equations can be written as,

2/(k+2) = 3/6 = 4/(3k+2)

Solving the ratio to get the value of k,

2/(k+2) = 3/6

2/(k+2) = 1/2

2 × 2 = 1 × (k+2)

4 = k + 2

4 - 2 = k

k = 2

Hence, for the given system of linear equations to give an infinite number of solutions the value of k should be 2.

Learn more about the System of equation here:

brainly.com/question/12895249

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7 0
2 years ago
7x(x²-x+5) Multiply.
Sloan [31]

Answer:

7x^3 - 7x^2 + 35x

Step-by-step explanation:

7x(x^2-x+5)

7x^3-7x^2+35x

6 0
3 years ago
I don’t even know what I’m doing
larisa86 [58]

Answer:

(8, -22)

Step-by-step explanation:

The tables each contain four (x,y) points of a straight line. You can see that for every increase of x by 2, y decreases by 8 in the first one (observe 26, 18, 10 2), and decreases by 6 in the second.

If you continue the table with x=4, 6 and 8, you get y=-22 in both cases for x=8. That is the intersection, so the solution is (8,-22).

Added a graph. The equations are y=10-4x and y=2-3x respectively. Hope you understand a bit of this (brief) explanation.

5 0
2 years ago
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