2 years ago

4. WILL MARK BRAINLIEST!!! HELP!

Mathematics

1 answer:

Hunter-Best [27]2 years ago

7 0

Answer:

$\frac{5}{36}$

Step-by-step explanation:

$\frac{8}{9}-\frac{3}{4} =\\\frac{32}{36} -\frac{27}{36} =\\\frac{5}{36}$

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Which is equivalent to (9y2 – 4x)(9y2 + 4x), and what type of special product is it?

QveST [7]

This is an example of the difference of squares.

$a^2 - b^2 = (a-b)(a+b)$

So to find the product of (9y² – 4x)(9y² + 4x), we use the formula for the difference of squares.

 $(9y^2 - 4x)(9y^2 + 4x)\\\\=(9y^2)^2 -(4x)^2\\\\=\boxed{\bf{81y^4 - 16x^2}}$

7 0

3 years ago

Can somebody please help me

guajiro [1.7K]

Here is your answer

B. (12,30)

REASON:

Given,

$y= 2x+6$ .......(i)

$3x-y= 6$ .......(ii)

Putting the value of y from eq.i in eq.ii we get

$3x-(2x+6)=6$

$3x-2x-6=6$

$=6+6$

$x=12$

Putting x=12 in eq.i we get

$y= 2x+6$

$y= 2×12+6$

$y= 24+6$

$y= 30$

So,

$\bold{x=12 and y= 30}$

Hence answer is (12,30) in which x=12 and y=30

HOPE IT IS USEFUL

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3 years ago

What is the LCM of 3 and 7

Dima020 [189]

Answer:

The LCM of 3 and 7 is 21.

Step-by-step explanation:

‎‎‎‎‎‎

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2 years ago

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How far is 10% of a 2000 kilometer trip

aleksandrvk [35]

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2 years ago

Which of these is a correct step in constructing congruent angles?

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Answer: B
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2 years ago

4. WILL MARK BRAINLIEST!!! HELP! ​

4. WILL MARK BRAINLIEST!!! HELP!