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White raven [17]
3 years ago
15

8x - 4(2x-3y)+1/2(6x-10y)​

Mathematics
2 answers:
CaHeK987 [17]3 years ago
5 0

Answer:

3x+7y

Step-by-step explanation:

marishachu [46]3 years ago
4 0

Answer:

The answer is 3x + 7y

Step-by-step explanation:

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The graphed line shown below is y=-3x+6
Bezzdna [24]
<h2>Answer:</h2>

y=-3\left(x+6\right)

<h2>Step-by-step explanation:</h2>

From the given graph, we can know two points:

P_{1}(x_{1},y_{1})=(2,0) \ and \ P_{2}(x_{2},y_{2})=(1,3)

Using the slope intercept form of the equation of a line, we get:

y-y_{1}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}(x-x_{1}) \\ \\ y-0=\frac{3-0}{1-2}(x-2) \\ \\ y=-3(x-2) \\ \\ y=-3x+6

Where the slope is m=-3 and the y-intercept is b=6

From mathematics, we know that a system of two linear equations has no solution if and only if the two equations have the same slope, but not the same y-intercept. So, from the options, the second equation is:

y=-3(x+6)

And the slope intercept form of this equation is:

y=-3x-18

So the slope is m=-3 and the y-intercept is b=-18, the systems formed by these two equations has no solution.

6 0
4 years ago
Read 2 more answers
Can somebody solve this: x^4+2x^3-25x^2-26x+120
Dafna11 [192]

Answer:

 (x + 5) • (x + 3) • (x - 2) • (x - 4)

Step-by-step explanation:

Step-1 : Multiply the coefficient of the first term by the constant   1 • 15 = 15

Step-2 : Find two factors of  15  whose sum equals the coefficient of the middle term, which is   8 .

     -15    +    -1    =    -16

     -5    +    -3    =    -8

     -3    +    -5    =    -8

     -1    +    -15    =    -16

     1    +    15    =    16

     3    +    5    =    8    That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  3  and  5

                    x2 + 3x + 5x + 15

Step-4 : Add up the first 2 terms, pulling out like factors :

                   x • (x+3)

             Add up the last 2 terms, pulling out common factors :

                   5 • (x+3)

Step-5 : Add up the four terms of step 4 :

                   (x+5)  •  (x+3)

            Which is the desired factorization

 (x + 5) • (x + 3) • (x - 2) • (x - 4)

3 0
3 years ago
The difference of two numbers is 10. Their sum is 23. Find the numbers.
Vika [28.1K]

Answer:

I don't knowektjtejejrjr

4 0
3 years ago
What is five over six multiply by one and one over two?(please show your work)
mina [271]
5/6 * 1 1/2 = 1 1/4, I know this because I made 1 1/4 3/2, so 5/6 * 3/2 now all i did was multiply regularly; 5 * 3 = 15 and 6 * 2 = 12 so 15/12, since that is improper i had to divide it 12 divided into 15 is 1 1/4 so that is the answer.
3 0
3 years ago
Read 2 more answers
Plzz help with my test
Evgen [1.6K]

Answer:

First graph

Hope this helps!

4 0
2 years ago
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