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Schach [20]
3 years ago
10

Which line is perpendicular to the line shown on the graph?

Mathematics
2 answers:
zhuklara [117]3 years ago
3 0

Answer:

The answer is A

Step-by-step explanation:

y=mx+b

sasho [114]3 years ago
3 0
The answer is A
In order for the second line to be perpendicular the second lines slope has to be opposite to the first lines slope. The slope of the first line is 2/3 so the slope of the second line will be -3/2. A is the only answer with -3/2 as a slope. So, A is the correct answer
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Which values for A and B will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b
Nata [24]

Answer:

a = -2 , b = -8

Step-by-step explanation:

* Lets talk about the solution of the linear equations

- There are three types of the solutions of the system of linear equations

# If the two lines intersect each other, then there is one solution

- The equations are ax+ by = c , dx + ey = f

# If the two lines parallel to each other, then there is no solution

- The equations are ax+ by = c , ax + by = d in its simplest form ,

  where a is the coefficient of x , b is the coefficient of y and

  c , d are the numerical terms

# If the two lines coincide (over each other), then there are infinite

   solutions

- The equations are ax+ by = c , ax + by = c in its simplest form, where

  a is the coefficient of x , b is the coefficient of y and c is the

  numerical term

* Lets solve the problem

∵ The system of equation is:

   ax - y = 8 ⇒ (1)

   2x + y = b ⇒ (2)

∵ The system create infinitely many solutions

∴ The lines are coincide

- The equations must be equal, then multiply equation(1) or (2) by -1 to

  make the coefficient of y in the two equations equal

∴ -ax + y = -8

∴ 2x + y = b

∵ Their coefficients of x are equal

∵ Their coefficients of y are equal

∵ Their numerical terms are equal

∵ The coefficient of x in equation (1) is -a and in equation (2) is 2

∴ -a = 2 ⇒ multiply both sides by -1

∴ a = 2

∵ The numerical term in equation (1) is -8 and in equation (2) is b

∴ b = -8

* The values for a and b will create infinitely many solutions are -2 , -8

5 0
3 years ago
Given the function f(x)=x+5-1 choose the correct domain
ElenaW [278]

Answer:

The domain of the function is all real numbers.

Step-by-step explanation:

I graphed the function on the graph below.

If this answer is correct, please make me Brainliest!

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3 years ago
How many 2 1/2 hour movie can be shown consecutively in a 20 hour period?
Cloud [144]
20/2.5 = 8
So 8 movies can be shown in 20 hours.
5 0
3 years ago
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