So how do you do inverse fractions again?

Mathematics

2 answers:

lawyer [7]3 years ago

8 0

Answer:

To find fraction (number) inverse you need to do below steps: I. Remove wholes part. If you want to invert mixed number (or integer number), then you need convert it to improper fraction. For example: 2 1/2 should be converted to 5/2. In other case. when there is no wholes part, nothing to do in this step.

Step-by-step explanation:

agasfer [191]3 years ago

4 0

Answer:

Opposite reciprocal; so 2/3 would be -3/2

Step-by-step explanation:

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Snowcat [4.5K]

Answer:

Option 1, 2, and 4 are correct. Option 3 is incorrect.

6 0

3 years ago

Solve using elimination 5x-y=6 and 5x+2y=3<br> (1,1)<br> (-1,-1)<br> (-1,1)<br> (1,-1)

kolezko [41]

Answer: (1,1)

Step-by-step explanation:

5x-y=6

-1(5x+2y=3)

5x-y=6

-5x-2y=-3

-y=6

-2y=-3

-3y=-3

y=1

5x-(1)=6

5x=5

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5 0

3 years ago

Read 2 more answers

47. Forming a Committee Four members from a 20-person committee are to be selected randomly to serve as chair- person, vice-chai

Svetllana [295]

Answer:

116,280 different leadership structures are possible

Step-by-step explanation:

The order is important.

For example, a Committee of John, Elisa, Laura and Rose means that John is the chairperson, Elisa the vice-chairperson, Laura the secretary and Rose the treasurer. If we exchange John and Elisa, their roles are also exchanged. This means that we use the permutations formula to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

$P_{(n,x)} = \frac{n!}{(n-x)!}$