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svetoff [14.1K]
3 years ago
13

The solution of the equation 8x-4=12 is

Mathematics
2 answers:
Dimas [21]3 years ago
8 0
X=2 because when you multiply 8 x 2=16 - 4=12
8(2)-4=12
Alla [95]3 years ago
6 0
First add 4 to both sides

8x-4=12
+4 +4
8x=16

Then isolate the x by dividing 8x by 8
8x=16
8 8
x=2

The solution of the equation 8x-4=12 is 2.
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Anna11 [10]
X/4-9=5
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3 0
3 years ago
Help! is due today please
MakcuM [25]

Answer:

Option 2

Step-by-step explanation:

Minimum value is going to be in the y part of our coordinate, so we can just look there. I went ahead and used a graphing calculator to make things easy.

Starting off with option 2, we can see the minimum is -10. And in option 4 we can see the smallest y value is -6.

Using a graphing calculator (I used desmos), we can graph these other functions and figure out their minimums.

Option 1's y minimum is -7, and Option 3's y minimum is -2.25.

Option 1: -7

Option 2: -10

Option 3: -2.25

Option 4: -6

The questions asks for the <em>smallest</em> minimum value, which in this case is option 2.

7 0
3 years ago
How many solutions does the following equation have? 3(4x+3)=3+12x
TiliK225 [7]

3(4x+3)=3+12x

12x+9=3+12x

9=3

0 solutions

3 0
3 years ago
A. angleFJG = angleHJG by SAS<br> PLEASE HELP
Vlada [557]

Answer:

J is midpoint

side FJ = side JH    Def of midpoint

angle GJF = GJH    perpendicular bisector both 90 degrees

JG=JG     reflexive property

Therefore triangle FJG = HJG

3 0
3 years ago
If triangle VWZ is congruent to triangle XWY, find the length of YX.
valkas [14]

Answer:

Measure of side YX is 22 units.

Step-by-step explanation:

Since ΔVWZ ~ ΔXWY, their corresponding sides will be in the same ratio.

\frac{VW}{XW}=\frac{VZ}{XY}=\frac{WZ}{WY}

By substituting the values given in the picture in the ratio,

\frac{45}{30}=\frac{(3x-9)}{(x+8)}=\frac{36}{24}

\frac{(3x-9)}{(x+8)}=\frac{3}{2}

By cross multiplication,

2(3x - 9) = 3(x + 8)

6x - 18 = 3x + 24

(6x -18) + 18 = 3x + 24 + 18

6x - 3x = (3x + 42) - 3x

6x - 3x = 42

3x = 42

x = \frac{42}{3}

x = 14

m(YX) = x + 8

          = 14 + 8

          = 22

Therefore, measure of side YX is 22 units.

8 0
3 years ago
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