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user100 [1]
2 years ago
13

-8 - x = x - 4x how does x equal to 4 and how do u do this

Mathematics
1 answer:
Over [174]2 years ago
4 0

Answer:

x=4

Step-by-step explanation:

-x=-3x+8

-x+3x=-3x+8+3x

2x=8

2x/2 = 8/2

x = 4

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8 0
3 years ago
Read 2 more answers
En una caja de muchos bombones hay hasta tres sabores de ellos. ¿Cuántos se deben extraer como mínimo al azar para obtener con s
avanturin [10]

Answer:

At least 13 chocolates must be removed

Step-by-step explanation:

If there are three flavors, the probability of drawing 1 would be: 1

1/3 = 0.333

Which means, that every 3 attempts, theoretically you should do 1 of each, but how they ask for 5 chocolates of each would be:

3 * 5 = 15

At least 15 chocolates must be extracted to theoretically guarantee 5 chocolates each, but how we are interested in knowing is that a single flavor has 5 chocolates, so we discard the last two chocolates that represent the other two flavors

Therefore, for there to be safely 5 chocolates of the same flavor, at least 13 chocolates must be removed.

3 0
3 years ago
HELP PLEASE.....................
aleksklad [387]

Answer:

f(8) = 21

Step-by-step explanation:

First, identify the equation of the line using the form: f(x) =mx + c, where m is the gradient and c is the y-intercept (the constant)

To find gradient, use the rise over run formula: (y2 - y1)/(x2 - x1)

You can use any points but I am going to use (2,3) and (3,6)

(6 - 3)/(3 - 2)

3/1 = 3      (gradient of the graph is 3)

Hence the equation is simplified to: f(x) = 3x + c

Now we need to find the value for c. To do this, you sub in any point, and I am going to use (3,6)

6 = 3*(3) + c   (rearrange it to make c on its own)

6 - 9 = c

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Hence the equation of the line is: f(x) = 3x - 3

So we are trying to figure out what f(8) equals. That means we sub in the value 8 where x is.

3*(8) - 3 = 21

f(8) = 21

6 0
3 years ago
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