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mina [271]
4 years ago
11

Factorise the following expression 12x²-27y²

Mathematics
2 answers:
sveticcg [70]4 years ago
4 0

Answer:3(4x^2-9y^2)

Step-by-step explanation:

Anestetic [448]4 years ago
4 0

Answer:

3 (4x^2 - 9y^2)

Step-by-step explanation:

12x^2 basically means 12xx

27y^2 basically means 27yy

Find the common factor between 12 and 27. The answer is 3

Check to see if the numbers have anything common between such as the letters. They don't.

What do you times by to get from 3 to 12x^2 (4x^2)

What do you times by to get from 3 to - 27y^2

(-9y^2)

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What is the solution for this system of equations? <br>y= -1/4x + 6<br>y= x+1​
snow_lady [41]

9514 1404 393

Answer:

  (x, y) = (4, 5)

Step-by-step explanation:

Equating the expressions for y gives ...

  -1/4x +6 = x +1

  5 = 5/4x . . . . . . . add 1/4x-1

  4 = x . . . . . . . . . . multiply by 4/5

  y = x +1 = 4 +1

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The solution is (x, y) = (4, 5).

3 0
3 years ago
Please help me!!!!!!!!
bekas [8.4K]

Step-by-step explanation:

might be option c is a correct answer of your given question

4 0
3 years ago
The distributive property can be applied to which expression to factor 12x3 – 9x2 + 4x – 3?
jeka94
<span>(3x2 + 1) • (4x - 3) is the answer</span>
7 0
4 years ago
HELP PYTHAGORAS THEOREM
finlep [7]
So the hypotenuse is the ladder's length, which is 6m, and the base of the 'triangle' is 1.5m. Therefore, you do 6^2 - 1.5^2 = 36 - 2.25 = 33.75. Then, you just square root it to get 5.80948m. Hope this helps!
4 0
4 years ago
Read 2 more answers
Using new equipment, a worker finished 4 more parts in an hour than was planned and fulfilled his daily task not in 8 hours, but
UNO [17]
Let the planned number of parts per hour = x 
<span> Then the planned number of parts for the day = 8x 
</span><span> By finishing 4 more parts in an hour than was planned (x + 4) he fulfilled his daily task in 6 hours. 
</span><span> So he finished 6(x + 4) parts that day. 
</span><span> 6(x + 4) = 8x 
</span><span> 6x + 24 = 8x 
</span><span> 2x = 24 
</span><span> x = 12 </span>
6 0
3 years ago
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