3 years ago

NEED HELP QUICK PLEASE !!

Mathematics

1 answer:

xxMikexx [17]3 years ago

6 0

Answer:

you have already choose correct one's

BC=DC

Step-by-step explanation:

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Which of these is equivalent to 2.75? A. 2 3/4 B. 2 2/5 C. 2 1/5 D. 2 3/25

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Step-by-step explanation:

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the difference between the squares of two numbers is 3. Twice the square of the first number increased by the square of the seco

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Answer:

The number are $\sqrt{6}$ and $\sqrt{6}$ .

Step-by-step explanation:

Given as :

The difference between the squares of two number = 3

And , Twice the square of the first number increased by the square of the second number is 9

Now, Let The first number = F

And The second number = S

So , According to question

F² - S² = 3 .......A

2 F² - S² = 9 ........B

Now, solving the equations

( 2 F² - S² ) - ( F² - S² ) = 9 - 3

Or, ( 2 F² - F² ) + ( S² - S² ) = 6

Or, F² + 0 = 6

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Putting the value of F in eq A

So, ( $\sqrt{6}$ )² - S² = 3

Or, 6 - 3 = S²

Or, S² = 3

∴ S = $\sqrt{3}$

So, The number are $\sqrt{6}$ , $\sqrt{6}$

Hence The number are $\sqrt{6}$ and $\sqrt{6}$ . Answer

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