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3 years ago

Georgina knows the inequality is true, but she cannot remember what number is in the denominator.

Mathematics

2 answers:

stealth61 [152]3 years ago

8 0

Answer:

Step-by-step explanation:

Which number could be the missing number?

Given the inequality expression, 1/10 > 1/ ?

We are to fine the missing number that will make the inequality true;

Cross multiply:

1 * x > 1*10

x > 10

Hence the value of x greater than 10 is the answer. From the options, the only value greater than 10 is 12. Hence 12 is the correct answer.

tester [92]3 years ago

7 0

Answer:

Step-by-step explanation:

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Which of the following expressions is equivalent to?

gayaneshka [121]

Answer:

It's the last choice: 2x^2 - 5x - 8 - 37/(x - 5).

Step-by-step explanation:

Long division:

2x^2 - 5x -8 <---------------Quotient

---------------------------------

x - 5 ) 2x^3 - 15x^2 + 17x + 3

2x^3 - 10x^2

- 5x^2 + 17x

- 5x^2 + 25x

- 8x + 3

- 8x + 40

-37 <------ Remainder.

7 0

2 years ago

In a small chess tournament, 20 matches were played. Find out how many people were involved if it is known that each participant

Nina [5.8K]

Answer:

<em>5</em><em> players participated in the tournament.</em>

Step-by-step explanation:

In a small chess tournament, 20 matches were played.

Let us assume that n number of players participated in the tournament

As in each game 2 players play, so the number of ways they can play is,

$=\ ^nC_2$

As they played 2 games with every other participant in the tournament.

So the total number of games is,

$=\ 2\times ^nC_2$

But it is given to be 20, so

$\Rightarrow \ 2\times ^nC_2=20$

$\Rightarrow \ ^nC_2=10$

$\Rightarrow \dfrac{n!}{2!(n-2)!}=10$

$\Rightarrow \dfrac{n(n-1)}{2}=10$

$\Rightarrow {n(n-1)=20$

As $5\times 4=20$ , so we get n=5.

Therefore, 5 players participated in the tournament.

5 0

2 years ago

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Help pleeeeeeeeeease

TEA [102]

Answer:

452.16

Step-by-step explanation:

the equation is A=nr^2

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3 years ago

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evablogger [386]

Answer:

Step-by-step explanation:

The answer is b because the lines outside -65 are symbols for absolute value. Absolute value means the distance away from 0, so b would be an appropriate choice.

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3 years ago

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morpeh [17]

3n + 21 is the answer

4 0

2 years ago