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GaryK [48]
3 years ago
7

Are the below pairs of lines parallel, perpendicular, or neither?

Mathematics
2 answers:
siniylev [52]3 years ago
4 0
They are parallel to eachother

Viefleur [7K]3 years ago
3 0
9x + 12y = 8
12y = -9x + 8
y = - 3/4x + 2/3....slope here is -3/4, y int is 2/3

6x + 8y = -1
8y = -6x - 1
y = - 3/4x - 1/8...slope here is -3/4, y int is -1/8

same slope, different y intercepts means parallel lines
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The cost of 4 kilograms of cheese is 50 dollars. which equation shows this in function notation?
Xelga [282]
$50 corresponds to 4 kg That means there must be a number that when you multiply by 4 you get 50. Let that number be k. k is the price of cheese per kg. 1 kg: y = k * 1 2 kg: y = k * 2
8 0
2 years ago
Use f(x) = 1 2 x and f -1(x) = 2x to solve the problems.
AVprozaik [17]

Answer:

The answer to your question is below

Step-by-step explanation:

Functions

  f(x) = 12x           f⁻¹(x) = 2x

a)   f⁻¹(-2) = 2(-2)

     f⁻¹(-2) = -4

b) f(-4) = 12x

    f(-4) = 12(-4)

    f(-4) = -48

c) f(f⁻¹(-2)) =

   f(f⁻¹(x)) = 12(2x) = 24x

  f(f⁻¹(-2)) = 24(-2) = -48            

I think your functions are wrong they must be       f(x) = 1/2x    f⁻¹(x) = 2x        

a)  f⁻¹(-2) = 2(-2)

             = -4

b) f(-4) = 1/2(-4)

         = -2

c) f(f⁻¹(x)) = 1/2(2x)

              = x

  f(f⁻¹(-2)) = -2

4 0
3 years ago
Is y= 2x cubed +6 linear or non-linear
zhuklara [117]
Non linear because nothing cubed or squared can be linear.
Hope this helps
6 0
3 years ago
How to do a equation with 60 less than j. Would label it as 60--j or j--60 ??
slavikrds [6]
J -60
-----------------------------------

3 0
2 years ago
Read 2 more answers
Solve<br><img src="https://tex.z-dn.net/?f=%7B2x%7D%5E%7B2%7D%20%20%2B%208x%20-%201%20%3D%200" id="TexFormula1" title="{2x}^{2}
kramer

Answer:

x= ± 3\sqrt{2} /2 +2

Step-by-step explanation:

Use the formula ( b/2) ^2 in order to create a new term. Solve for x by using this term to complete the square.

x= ± 3\sqrt{2} /2 +2

4 0
9 months ago
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