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3 years ago

Difine complex fraction . give two example of a complex fraction

Mathematics

1 answer:

marin [14]3 years ago

6 0

If in a fraction, the numerator or the denominator or both are fractions, then it is called a complex fraction.

Example 1:

$\frac{\frac{3}{4} }{7}$

Here, since the numerator is a fraction, it is a complex fraction.

Example 2:

$\frac{\frac{1}{2} }{\frac{3}{7} }$

Here, since the numerator and the denominator are fractions, it is a complex fraction.

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Suppose you have 5 riders and 5 horses, and you want to pair them off so that every rider is assigned one horse (and no horse is

maw [93]

There are 120 ways in which 5 riders and 5 horses can be arranged.

We have,

5 riders and 5 horses,

Now,

We know that,

Now,

Using the arrangement formula of Permutation,

i.e.

The total number of ways $^nN_r = \frac{n!}{(n-r)!}$ ,

So,

For n = 5,

And,

r = 5

As we have,

n = r,

So,

Now,

Using the above-mentioned formula of arrangement,

i.e.

The total number of ways $^nN_r = \frac{n!}{(n-r)!}$ ,

Now,

Substituting values,

We get,

$^5N_5 = \frac{5!}{(5-5)!}$

We get,

The total number of ways of arrangement = 5! = 5 × 4 × 3 × 2 × 1 = 120,

So,

There are 120 ways to arrange horses for riders.

Hence we can say that there are 120 ways in which 5 riders and 5 horses can be arranged.

Learn more about arrangements here

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7 0

2 years ago

Write equations for the horizontal and vertical lines passing through the point (-2,-5).

erastova [34]

Answer:

y = -5
x = - 2

=============================

The horizontal line has same y- coordinate for each x- coordinate, and is parallel to the x-axis so it is:

y = - 5

The vertical line has same x- coordinate for each y- coordinate, and is parallel to the y-axis so it is:

x = - 2

<em>Refer to graphs.</em>

6 0

1 year ago

The volume of this triangular prism is 32 cubic inches. What is the value of d?

krek1111 [17]

Answer:

Divide the volume by the length of the prism to get the area of the face:

468/13 = 36 square yards.

The area of the face ( triangle) is 1/2 x base x height

Replace with what you have:

36 = 1/2 x 9 x g

Multiply both sides by 2 to remove the 1/2:

72 = 9 x g

Divide both sides by 9 to find g:

g = 72 /9

g = 8 yards.

3 0

2 years ago

How do we find the surface area of this prism? ( Cube )

kenny6666 [7]

You would find the area of the squares you drew in the net and then add them so 9•9•6

4 0

3 years ago

A spinner is divided into 8 equal sections numbered 1 to 8. About how many times would you expect the pointer to land on a numbe

Angelina_Jolie [31]

Answer:

The answer is

6.25×30= 18.75

I'm not sure but this is what I think

3 0

3 years ago