Ask question

Ask question

All categories

2 years ago

8

A review of combination

1 answer:

fiasKO [112]2 years ago

5 0

Answer:

What is a Combination? A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter. In combinations, you can select the items in any order. Combinations can be confused with permutations.

#happylearning

You might be interested in

Help please! answer correctly for brainliest . ( look at picture for question and answer choices )

lubasha [3.4K]

Answer:

Non-linear and decreasing so B

Step-by-step explanation:

It is non-linear as it is not a straight line

It's also going down so its decreasing

4 0

2 years ago

Read 2 more answers

What is the seventh multiple of 4 answer for brainiest

qwelly [4]

Answer:

the answer is prolly 28

3 0

2 years ago

Read 2 more answers

IgorC [24]

Answer:

(1,-4) is in quadrant IV.

Step-by-step explanation:

3 0

2 years ago

Solve for x: 5/x^2-4+2/x=2/x-2

IRINA_888 [86]

$\dfrac{5}{x^2 - 4} + \dfrac{2}{x} = \dfrac{2}{x - 2}$

$\dfrac{5}{(x + 2)(x - 2)} + \dfrac{2}{x} = \dfrac{2}{x - 2}$

$\dfrac{5}{(x + 2)(x - 2)} \times x(x + 2)(x - 2) + \dfrac{2}{x} \times x(x + 2)(x - 2) = \dfrac{2}{x - 2} \times x(x + 2)(x - 2)$

$5x + 2(x + 2)(x - 2) = 2x(x + 2)$

$5x + 2(x^2 - 4) = 2x^2 + 4x$

$5x + 2x^2 - 8 = 2x^2 + 4x$

$5x - 8 = 4x$

$x - 8 = 0$

$x = 8$

Now we look at the common denominator.

It is x(x + 2)(x - 2).

x cannot be zero, -2 or 2 because that would cause a zero in the denominator.

Since we get x = 8, and x = 8 does not have to be excluded from the domain, the answer is x = 8.

Answer: x = 8

6 0

3 years ago

Help please someone anyone I'm desperate!!!!

aev [14]

The.you.are.looking.for.is.C

6 0

3 years ago