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Veseljchak [2.6K]
3 years ago
13

Solve 8(3x-4)=4x-2. Help

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
8 0
X = 3/2

<em><u>I hope this could help!</u></em>
Over [174]3 years ago
5 0
We have such equation
8(3x-4)=4x-2 
8*3x-4*8=4x-2
24x-32=4x-2          /-4x (subtract 4x both sides)
20x-32=-2              /+32 (add 32 both sideS)
20x=30                  /:20 (divide both sides by 20)
x=\frac{3}{2} - its the answer
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Solve the equation for y. Identify the slope and y- intercept. Then graph the equation. 2y-3x=10
Shkiper50 [21]

Answer:

y=3/2x+5

The slope is 3/2 and the y-intercept is 5

Step-by-step explanation:

Solving for y will give us the slope and y-intercept

Isolate y

2y/2=10+3x/2

y=5+3/2x

The slope is 3/2 and the y-intercept is 5

Graph it by graphing (0,5) and using the slope (up 3 over 2) to put other points

7 0
3 years ago
The price of a tablet was reduced from $70 to $56. By what percentage was the price of the tablet reduced?
Komok [63]

Answer:

20%

Step-by-step explanation:

70-56=14     14/70=0.2 or 20%

8 0
3 years ago
What is the image of point (4, 5) after a counterclockwise rotation of 270º about the origin?
andriy [413]
A <span>counterclockwise rotation of 270º about the origin is equivalent to a </span><span>clockwise rotation of 90º about the origin.

Given a point (4, 5), the x-value, i.e. 4 and the y-value, i.e. 5 are positive, hence the point is in the 1st quadrant of the xy-plane.

A clockwise rotation of </span><span>90º about the origin of a point in the first quadrant of the xy-plane will have its image in the fourth quadrant of the xy-plane. Thus the x-value of the image remains positive but the y-value of the image changes to negative.
Also the x-value and the y-value of the original figure is interchanged.
For example, given a point (a, b) in the first quadrant of the xy-plane, </span><span>a counterclockwise rotation of 270º about the origin which is equivalent to a <span>clockwise rotation of 90º about the origin will result in an image with the coordinate of (b, -a)</span>

Therefore, a </span><span>counterclockwise rotation of 270º about the origin </span><span>of the point (4, 5) will result in an image with the coordinate of (5, -4)</span> (option C)
3 0
3 years ago
there are a total of 122 countries in Africa, Europe, and North America. Europe has twice as many countries as North America, an
lana66690 [7]
E = 2N

A = E +  7 = 2n + 7

n + 2n + 2n +7 = 122
8 0
3 years ago
Please help woth this
jok3333 [9.3K]

Answer:

.6

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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