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ss7ja [257]
3 years ago
14

7. How many solutions does the given system have?

Mathematics
2 answers:
Tasya [4]3 years ago
7 0
It’s a because it’s only one solution
ale4655 [162]3 years ago
3 0

Answer:

C infinite solutions

Step-by-step explanation:

First put both equations in the form of y=mx+b then you will get the same equation in both. Since both equations are the same they intersect at all the points which means this system has infinite solutions.

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Please answer this question for points
alexgriva [62]

Answer:

<h2>y = -2x + -3</h2>

Step-by-step explanation:

Slope-intercept form is y = mx + b

"m" is the slope, how steep the line is.

"b" is the y-intercept, where to graph hits the y-axis.

Check the scale for this grid. Since there are "1" written on the first box after the middle, <u>one square = one unit</u>.

To find "m", use  m = \frac{rise}{run}   between the two dotted points on the graph. The first point is always on the left.

<u>"Rise" means how many squares above</u> the first point the second point is.

Since the second point is below the first point, the number is negative.

<u>"Run" means how many squares to the right</u> the second point is.

m = \frac{rise}{run}          

m = \frac{-2}{1}

m = -2

To find "b", look at where the graph it touching the y-axis.

The y-axis is the vertical line (going from top to bottom).

Count the number of squares from the grid's middle to the graph line.

There are 3 squares.

Since the graph touches below the origin, this is a negative number.

b = -3

In the boxes, you put negative two (-2) and negative three (-3).

* Usually we would simplify the equation to y = -2x - 3.

6 0
3 years ago
Find the equation of the line that is parallel to 4x - 8y equals 9 and passes through (-3, 6)​
vazorg [7]

For this case we have the following equation:

4x-8y = 9

We manipulate algebraically to bring the equation to the slope-intersection form y = mx + b

Where:

m: It's the slope

b: It is the cut-off point with the y axis

8y = 4x-9\\y =\frac {4} {8} x- \frac {9} {8}\\y =\frac {1} {2} x- \frac {9} {8}

By definition, if two lines are parallel then their slopes are equal.

Thus, the line is of the form:

y = \frac {1} {2} x + b

We find the cut-off point by replacing the given point:

6 = \frac {1} {2} (- 3) + b\\6 = - \frac {3} {2} + b\\b = 6 + \frac {3} {2}\\b = \frac {12 + 3} {2}\\b = \frac {15} {2}

Thus, the line is of the form:

y = \frac {1} {2} x + \frac {15} {2}

Answer:

y = \frac {1} {2} x + \frac {15} {2}

6 0
3 years ago
Its due in a half hour please help!!
Allushta [10]

Answer:

the hypotenuse of the triangle is 15 cm and other two sides of the triangle are 9 cm and 12 cm and one angle of the triangle is 90°.

Step-by-step explanation:

Pythagorean Theorem: According to this theorem the result obtained by  squaring the value of the hypotenuse of a right angled triangle is equal to the sum of the squares of the values other two sides of the triangle.

Hypotenuse = h

Altitude = l

Base = b

l²+b²=h²

Here 6²=36

9²=81

12²=144

15²=225

From the above it is clear that

81+144=225

⇒9²+12²=15²

Therefore  the hypotenuse of the triangle is 15 cm and other two sides of the triangle are 9 cm and 12 cm and one angle of the triangle is 90°.

5 0
2 years ago
What is the area of a triangle with a base of 6 feet and a height of 9 feet
Anastasy [175]
(6x9)/2=27..........................
6 0
2 years ago
Read 2 more answers
Please help with 12 through 14
BabaBlast [244]
The formula to find the area of a circle is A=r^2pie
4 0
3 years ago
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