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4 years ago

7

An equation that sets two fractions equal to each other is called a what

1 answer:

Brilliant_brown [7]4 years ago

6 0

A proportion is what it is called

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In a dog show, there will be a gold and silver medal awarded.There are 6 finalists. In how many ways can the 2 medals be awarded

Mandarinka [93]

Answer:

30

Step-by-step explanation:

Given: There are six finalists and two medals. That is it asks for the possibilities of 6 finalists taking two at a time. Say, for example the first and third finalist or the second and the sixth finalist and so on. The number of possibilities is given by $^nP_r$

$^nP_r = \frac{n!}{(n - r)!}$

So the number of possibilities of 6 finalists taken two at a time is $^6P_2$

$\implies \frac{6!}{(6 - 2)!} = \frac{6!}{4!} \hspace{15mm} [n! = n \times (n-1) \times (n - 2) \times . . . 2 \times 1]$

$\implies \frac{6 \times 5 \times 4 \times \times 3 \times 2 \times 1}{4 \times 3 \times 2 \times 1} = 6 \times 5 = 30$

4 0

4 years ago

a book case is to have 4 shelves including the top, the width is to be 13 feet less than 4 times the hieght, find the width and

Leni [432]

Answer:

I get x = 16/7 ft or about 2.29 ft for the width and 4.29 ft for the height.

Step-by-step explanation:

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3 years ago

Is 6,11,17,... geometric in sequences

mojhsa [17]

No, they do not have a pattern nor do they flow to get her the difference between 6 and 11 is 5, whereas the difference between 11 and 17 is 6.

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3 years ago

Which capital Letter appears to have a right angle,

Alexus [3.1K]

The answer to this question is L

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4 years ago

Read 2 more answers

What is 12 and 9/150 as a decimal

Alekssandra [29.7K]

9/150-0.06

12. hope that helped

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3 years ago