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kifflom [539]
3 years ago
7

How many solutions does this system of equations have?

Mathematics
1 answer:
8_murik_8 [283]3 years ago
6 0
No solutions

if you substitute the equations into each other the x's and y's will cancel each other out and you will be left with 9=-6 which isn't true<span />
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The upper-left coordinates on a rectangle are (-1, 4) left parenthesis, minus, 1, comma, 4, right parenthesis, and the upper-rig
Zanzabum

Answer:

Kindly refer to the attached images for the answer.

Step-by-step explanation:

Upper left coordinates of a rectangle are (-1, 4).

Upper right coordinates of the rectangle are (3, 4).

Perimeter of the rectangle = 24 units

Let A(-1, 4) and B(3, 4).

First of all, let us find the distance between the coordinates A and B.

Distance formula can be used to find the distance.

<em>Distance formula:</em>

<em></em>D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}<em></em>

Here, we have the following values:

x_1 = -1 \\y_1 = 4\\x_2 = 3\\y_2 = 4

AB = \sqrt{(3-(-1))^2+(4-4)^2} = 4\ units

Perimeter = 2 (Length + Width)\\\Rightarrow 24 = 2 \times (AB + BC)\\\Rightarrow 24 = 2 \times (4 + BC)\\\Rightarrow BC = 8

When we will move from point B to C, we will move downwards on y axis for a distance of 8 units therefore value of x coordinate will be same.

Therefore coordinates of C (3, 4-8) i.e. C (3, -4)

When we will move from C to D, the x coordinate will decrease for 4 units.

D (3-4, -4) i.e. D (-1, -4)

Kindly refer to the attached images for the answer.

6 0
3 years ago
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X = {(2, 4), (3, 4), (4, 4), (5, 4)} Is x a function and why?
Norma-Jean [14]
F(x). "f(x) = ... " is the classic way of writing a function. And there are other ways, as you will see! .... Example: {(2, 4), (2,5), (7,3)} is not a function because {2,4} and {2,5} means that 2 could be related to .
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members of students council set up 96 chairs for a school meeting. they placed the chairs in rows,with an equal number of chairs
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Answer:

6

Step-by-step explanation:

96÷5=19.2

<u>96÷6=16</u>

96÷10=9.6

96÷14=6.857142~

6 0
3 years ago
How much wire is needed to build a rectangular pen 42.6 ft. long and 28.5 ft. wide
andreev551 [17]
Answer: 142.2 ft


Explanation:

Wire needed = Perimeter = 2(42.6 + 28.5) = 142.2 ft

4 0
4 years ago
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Find the values of a, b and c.
valina [46]

Look at the picture.

Corresponding Angles are equal.

Alternate Angles are equal.

Consecutive Angles add up to 180°.

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

3a and 45 are Consecutive Angles. Therefore

3a + 45 = 180    |subtract 45 from both sides

3a = 135      |divide both sides by 3

<h3>a = 45.</h3>

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

(2c - 1) and 45 are Corresponding Angles. Therefore

2c - 1 = 45     |add 1 to both sides

2c = 46     |divide both sides by 2

<h3>c = 23.</h3>

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3a and (12b + 3) are Alternate Angles. Therefore

3(45) = 12b + 3

135 = 12b + 3     |subtract 3 from both sides

132 = 12b      |divide both sides by 12

<h3>b = 11.</h3>
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