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devlian [24]
2 years ago
6

Find the value of 1 x in two parallel lines

Mathematics
2 answers:
katrin2010 [14]2 years ago
7 0
18
4x+5x=180
10x=180
X=18
Mazyrski [523]2 years ago
5 0

Answer:

18

Step-by-step explanation:

4x + 5x = 180

10x = 180

x = 18

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The distance of it away from zero cannot be a negative distance, distance is always positive therefor the absolute value will always be positive.

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I hope this helps :)
7 0
3 years ago
Double the difference of a number and seven
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Answer:

2x-14

Step-by-step explanation:

2(x-7)

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2 years ago
Mitchell is measured in February for the customs of a school play he’s 47 feet fabric he has 12 1/3 yards of fabric how many mor
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8 0
2 years ago
Solve the following system of equations: 2x + 4y − 3z = −7 3x + y + 4z = −12 x + 3y + 4z = 4
lukranit [14]

2x + 4y − 3z = −7 ---> first equation

3x + y + 4z = −12   ---> second equation

x + 3y + 4z = 4   ---> third equation

We try to eliminate z  and make two equations

Multiply first equation by 4 and second equation by 3. then add both equations

8x + 16y -12z = -28

9x + 3y +12z = -36

----------------------------

17x + 19y = -64   ---------------> equation 4

multiply third equation by -1  and add second and third equation

3x + y + 4z = −12  

-x - 3y - 4z = -4    

-------------------------------------

2x -2y = -16        ---------------> equation 5

Multiply equation 4 by 2 and equation by 19

34x + 38y = -128

38x - 38y = -304

------------------------------------

72x  = -432

Divide by 72 on both sides

x = -6

use equation 2x -2y = -16        ---------------> equation 5

2(-6) - 2y = -16

-12 -2y = -16

-2y = -4

So y = 2

Now plug in 2 for y  and -6 for x

Using any one of the three equations

x + 3y + 4z = 4  

-6 + 3(2) +4z = 4

4z = 4 (divide by 4 on both sides)

So z=1

So x= -6, y = 2  and z= 1





4 0
3 years ago
Read 2 more answers
If f(x) = 2x - 5, then f(4) is _____.
lina2011 [118]
2(4)-5
8-5= 3

Answer is 3
8 0
3 years ago
Read 2 more answers
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