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jeka57 [31]
2 years ago
5

What is m in the simultaneous equation M -n=1 M+n=3

Mathematics
2 answers:
Lady bird [3.3K]2 years ago
8 0
The simultaneous equations is missing +8
Nady [450]2 years ago
6 0

Answer:

m is 2

Step-by-step explanation:

If you add the two equations together you get

2m=4

m=2

Plug this value in for m to solve for n

2-n=1

-n= -1

n=1

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Consider the line y=4x-4.
erica [24]

9514 1404 393

Answer:

  • parallel: y = 4x -6
  • perpendicular: y = -1/4x +27/4

Step-by-step explanation:

If we want the new line to be written in slope-intercept form, we need to find the new value of the y-intercept. The equation of the line is ...

  y = mx +b . . . . . . . for slope m and y-intercept b

Solving for b gives ...

  b = y -mx . . . . . . . subtract mx from both sides.

The values of x and y come from the point we want the line to pass through. The value of m will be the same for the parallel line as for the given line: 4. For the perpendicular line, it will be the opposite reciprocal of this: -1/4.

<u>Parallel line</u>

  b = 6 -4(3) = 6 -12 = -6

  y = 4x -6

Perpendicular line

  b = 6 -(-1/4)(3) = 6 +3/4 = 27/4

  y = -1/4x +27/4

4 0
2 years ago
Name the equation for any horizontal line of your choosing
noname [10]

Answer:

Horizontal lines have a slope of 0. Thus, in the slope-intercept equation y = mx + b, m = 0. The equation becomes y = b, where b is the y-coordinate of the y-intercept.

Step-by-step explanation:

3 0
2 years ago
Philip and Laura want to build a pool in their backyard. The length and width of the pool can be represented by the equation
lakkis [162]

The area of Philip and Laura's pool is 3x^2 - 13x - 10 square feet

<h3>Area of a rectangle</h3>

Givene the dimensiion of Philip and Laura's pool as:

Length = (x - 5)

Width  = (3x + 2)

Given the area expressed as:

f(x) = (x - 5)(3x + 2)feet

Taking the product will give:

f(x) = 3x^2 + 2x -15x - 10

f(x) = 3x^2 - 13x - 10

Hence the area of Philip and Laura's pool is 3x^2 - 13x - 10 square feet

Learn more on area of rectangle here: brainly.com/question/25292087

3 0
2 years ago
Which numbers line correctly shows 4.5 - 2.5.? HELP FAST!!!
ElenaW [278]

Answer:

Step-by-step explanation:

The answer would be the first option because it’s starting at 4.5, and if you subtracted 2.5, you would get the answer of 2, and that’s what the first option shows. Hope this helps!

5 0
3 years ago
4+4<br> plzzzz help me!!!!!!!!!!!!!!!1111111111111111111111111
nikdorinn [45]

Answer:

8

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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