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11111nata11111 [884]
3 years ago
14

PLEASE HELP GIVING OUT BRAINLY

Mathematics
1 answer:
kicyunya [14]3 years ago
7 0

Answer:

the first one is correct.

Step-by-step explanation:

a function is where a x value only has ONE y value. In the last one the x value 6 had more than one y value and in the second one -2 had more than one y value

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20 pesos de 20 es: 20%
pashok25 [27]

Answer:

hsindvjkdod idbdiid didgejdid idbdusie

Step-by-step explanation:

0gsss hsis % hesjdjzz ud

8 0
3 years ago
What is the slope-intercept equation for the line below? (0, 4) (4, 1)
Mrrafil [7]

Answer:

The equation of the line would be y = 5/4x - 4

Step-by-step explanation:

To find the equation of any line, start by finding the slope using the slope formula.

m(slope) = (y2 - y1)/(x2 - x1)

m = (-4 - 1)/(0 - 4)

m = -5/-4

m = 5/4

Now that we have the slope, use that and either point to get the equation of the line

y - y1 = m(x - x1)

y + 4 = 5/4(x - 0)

y + 4 = 5/4x

y = 5/4x - 4

4 0
3 years ago
Find an equation for the inverse of the following relation.<br><br> y=12x-3
vovikov84 [41]
<h3>Answer:</h3>

<em>Your answer would be y=x+3/12</em>

<h3>Step-by-step explanation:</h3>

Firstly, you'll switch sides of the equation.

<em>y=12x+3 ---> x=12y-3</em>

Next, add 3 to both sides.

<em>x=12y-3 ---> 12y-3+3=x+3</em>

Simplify it.

<em>12y-3+3=x+3 ---> 12y=x+3</em>

Then, divide both sides by 12.

<em>12y=x+3 ---> 12y/12 = x/12 + 3/12</em>

Simplify once more.

12y/12 = x/12 + 3/12 --- y= x+3/12

<u>y=x+3/12 would be your answer.</u>

6 0
3 years ago
If you have received $100 in sales (revenue), but it costs you $40 for labor. What is your profit?
bekas [8.4K]

Answer:

60

Step-by-step explanation:

Profit is what you earned minus what u bought.

4 0
3 years ago
Read 2 more answers
If the order of selection is considered relevant, in how many ways can k objects be selected from a set of n objects?
Hoochie [10]

hi,

You have to use a formula which is  known as of binomial coefficient which is :

k among n  is  :   C ( n /k) =   n!  / k! ( n-k)!

! = factorial

ex :   5 object among 8 is :    C ( 8/5 ) = 8 ! / 5! * ( 8-5) !

As 8! =  8*7*6*5*4*3*2*1 =  40 320

As 5! = 5*4*3*2*1 = 120  

as 3 ! = 3*2*1 = 6

then :     40 320  / 120 * 6

               40 320 / 720 = 56  

Conclusion : there is  56 way to select  5 object among 8 of them.  

ps : you can also use Pascal Triangle to do such a thing.

               

3 0
2 years ago
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