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Rainbow [258]
3 years ago
14

Solve for x: 4/5x +4/3=2x

Mathematics
2 answers:
pav-90 [236]3 years ago
5 0
4/5x+ 4/3=2x
-11/5x=-4/3
6/5x=4/3
(5/6)6/5x=(5/6)4/3
x=10/9 or x=11/9
d1i1m1o1n [39]3 years ago
3 0
To simplify an equation you should remember we can only combine the like terms first separate the terms we can put all terms with variable in one side and the constants on the other side (4/5)x+(4/3)=2x. 2x-(4/5)x=4/3. (6/5)x=4/3. X=10/9
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Which expression is equivalent to -1/2(-3x+6x+1)-3x
Yakvenalex [24]

Answer:

-3/2 x -1/2

Step-by-step explanation:

hello :

-1/2(-3x+6x+1)-3x =3/2 x-3x -1/2 = (3/2 - 3)x -1/2 =-3/2 x -1/2

4 0
3 years ago
For 7 and 8, find the maximum or minimum point of the parabola​
Leni [432]

Answer: 7) Max: y = 52

               8) Min: y = -51  

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

The Max/Min is the y-value of the intercept.

  • Max is when the a-value is negative.
  • Min is when the a-value is positive.

First, find the x-value of the vertex using the Axis of Symmetry formula:

x = -b/2a. Then plug the x-value into the equation to find the y-value.

7) y = -2x² - 16x + 20

          ↓       ↓       ↓

     a= -2   b= -16  c=20

\text{AOS:}\quad x=\dfrac{-b}{2a}\quad =\dfrac{-(-16)}{2(-2)}\quad =\dfrac{16}{-4}\quad =-4

Max: y = -2(-4)² - 16(-4) + 20

           = -2(16) + 64 + 20

           = -32 + 84

          = 52

*********************************************************************************************

7) y = x² + 12x - 15

        ↓      ↓      ↓

   a= 1   b= 12  c= -15

\text{AOS:}\quad x=\dfrac{-b}{2a}\quad =\dfrac{-(12)}{2(1)}\quad =\dfrac{-12}{2}\quad =-6

Max: y = (-6)² + 12(-6) - 15

           = 36 - 72 - 15

           = 36 - 87

          = -51

8 0
3 years ago
5 of 10
horrorfan [7]

Answer:

T-6÷2+5

Step-by-step explanation:

3 0
3 years ago
11. In June, you start a holiday savings account
zaharov [31]

How much money will you have saved by

the end of December will be $54

Since you increase each monthly deposit by $4

Hence, June to December will give us 6 months

Now let determine How much money will you have saved by the end of December

December ending Amount saved= $30 +($4 × 6 months)

December ending Amount saved= $30 +$24

December ending Amount saved= $54

Inconclusion How much money will you have saved by the end of December will be $54

Learn more here:

brainly.com/question/24598420

5 0
3 years ago
Please help kinda confused
OLEGan [10]

Answer:

Step-by-step explanation:

5 0
3 years ago
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