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Fudgin [204]
2 years ago
9

1)12-5x-4kx=y, solve for x

Mathematics
2 answers:
Stolb23 [73]2 years ago
7 0
X = y-12/5+4k I hope this helps
sveticcg [70]2 years ago
6 0
12-x(5-4k)=y
12-y=x(5-4k)
12-y/(5-4k)=x
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Find the midpoint M of the line segment joining the points C = (-1, -1) and D = (5, -5). ​
Nadusha1986 [10]

Answer:

The midpoint between the joining points C and D is (2, -3)

Step-by-step explanation:

How to find a midpoint

  • 1: Label the coordinates(x₁,y₁) and (x₂,y₂).
  • 2: Input the values into the formula.
  • 3: Add the values in the parentheses and divide each result by 2.
  • 4: The new values form the new coordinates of the midpoint.

Suppose we have a line segment and want to cut that section into two equal parts. To do so, we need to know the center. We can achieve this by finding the midpoint. You could measure with a ruler or just use a formula involving the coordinates of each endpoint of the segment. The midpoint is simply the average of each coordinate of the section, forming a new coordinate point. We shall illustrate this below.

Midpoint formula

If we have coordinates (x₁,y₁) and (x₂,y₂), then the midpoint of these coordinates is determined by (x₁ + x₂)/2, (y₁ + y₂)/2. This forms a new coordinate you can call (x₃,y₃).  It is possible to divide a line segment into any given ratio, not just 1:1.

7 0
1 year ago
The length of a rectangle is three times its breadth if the breadth is decreased by 2 m and breadth increased by 4 m the area of
White raven [17]

Answer:

Let the breadth is x, then the length is 3x.

<u>The area is:</u>

  • A = lw = 3x*x = 3x²

<u>The breadth is decreased by 2 m: </u>

  • w = x - 2

<u>The length is increased by 4m: </u>

  • l = 3x + 4

<u>The area is now:</u>

  • (x - 2)(3x + 4) = 3x² - 1/3(3x²)
  • 3x² +  4x - 6x - 8 = 2x²
  • x² - 2x - 8 = 0
  • x² - 2x + 1 = 9
  • (x - 1)² = 3²
  • x - 1 = 3
  • x = 4

The breadth was 4 m and the length  12 m

8 0
2 years ago
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Fittoniya [83]
Since the 6 is in the hundreds place and it is above 5, then you round the thousands place up one to 88000
5 0
3 years ago
Help me with this and I'll give you brainilest!
fredd [130]

Answer:

5000

Step-by-step explanation:

Either I do it I get 5000.

Sorry if this is wrong.

5 0
3 years ago
Please help and explain
mr_godi [17]
All but -1 <x <1
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4 0
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