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Stells [14]
3 years ago
12

Find the value of x that makes lines u and v parallel. ​

Mathematics
1 answer:
omeli [17]3 years ago
3 0

Answer:

x = 5

Step-by-step explanation:

From the picture attached,

If the lines u and v are parallel and a third line (transversal) is intersecting these lines at two distinct points,

Both the angles given in the picture, will be equal in measure as these angles are interior alternate angles.

16x = 15x + 5

16x - 15x = 5

x = 5

Therefore, x = 5 makes the lines v and u parallel.

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A. When solving the system of linear equations 6x+y = 1 and 7x+2y = -3 with substitution, it is easiest to first solve the equat
nalin [4]

Answer:

6x + y = 1

y = 1 - 6x

7x + 2(1 - 6x) = -3 substitute 1 - 6x in for y

7x + 2 - 12x = -3 combine like terms

2 - 5x = -3 subtract 2 from both sides

-5x = -5 divide by -5

x = 1

3 0
3 years ago
The length of a rectangle is 2 inches less than 3 times the number of inches in its width. If the perimeter of the rectangle is
Naily [24]
Perimeter = 2L + 2w
in this case, L = 3w - 2 and perimeter = 28.
so, 28 = 2L + 2w.  or 14 = L + w.  or substitute for L: (3w - 2) +w =14 
or 4w - 2 = 14.  4w = 12. 12/4 = 3 = w.
The width = 3 inches; and the length = (3x3 -2) 7 inches.
6 0
3 years ago
I need info on Albert Einstein
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4 0
3 years ago
Read 2 more answers
-2(y+12)=y-9
lions [1.4K]

1) y= -5

2) m = -1

3) k = 3

4) y = -5

Step-by-step explanation:

1) -2(y+12)=y-9

Solving:

-2(y+12)=y-9\\-2y-24=y-9\\Combining\,\,like\,\,terms:\\-2y-y=-9+24\\-3y=15\\y=15/-3\\y=-5

2) 8(-1+m)+3 = 2 [m-5 1/2]\\

Solving:

8(-1+m)+3 = 2 [m-5 \frac{1}{2} ]\\-8+8m+3=2 [m-\frac{11}{2} ]\\8m-5=2 [\frac{2m-11}{2} ]\\8m-5=2m-11\\Combining\,\,like\,\,terms:\\8m-2m=-11+5\\6m=-6\\m=-6/6\\m=-1

3) 8(12-k)=3(k+21) (Note: Considering 8(12-k)=3(k+21) instead of 8(12-k)=3(k=k+21))

Solving:

8(12-k)=3(k+21)\\96-8k=3k+63\\Combining\,\,like\,\,terms:\\-8k-3k=63-96\\-11k= -33\\k=-33/-11\\k=3

4) 2y-3(2y-3)+2=31

Solving:

2y-3(2y-3)+2=31\\2y-6y+9+2=31\\Combining\,\,like\,\,terms:\\2y-6y=31-9-2\\-4y=20\\y= 20/-4\\y = -5

Keywords: Solve for variables.

Learn more about Solve for variables at:

  • brainly.com/question/7014769
  • brainly.com/question/9390381
  • brainly.com/question/6465937

#learnwithBrainly

6 0
3 years ago
Utilize graphing to find the solution to
Llana [10]

Answer:

(4, -3)

Step-by-step explanation:

To solve this with graphing all you need to do is enter both equations in a graphing calculator (you can use desmos online) and then find the point where both lines intersect.

7 0
2 years ago
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