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igor_vitrenko [27]
3 years ago
9

The area of a

Mathematics
1 answer:
mr_godi [17]3 years ago
6 0
The answers X2 plus 4X -21This is because it’s possible
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0 > -8 true or false
chubhunter [2.5K]

Answer:

True

Step-by-step explanation:

Please give brainliest :)

4 0
3 years ago
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Complete factorization of x^3 - 4x^2 + x - 4
Pachacha [2.7K]

Step-by-step explanation:

x³ - 4x² + x - 4

= x²(x - 4) + (x - 4)

= (x² + 1)(x - 4).

Since the quadratic factor (x² + 1) is irreducible any further, this is our answer.

3 0
3 years ago
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What number must you add to complete the square? x^2+26x=33
katrin2010 [14]

Answer:

Must add: 202

Step-by-step explanation:

The \ formula \ for \ perfect \ square => (a + b)^2  = a^2 + 2ab + b^2

a = x

2ab = 26x

2ab = 26a  [ substitute a instead of x]

b = \frac{26a}{2a}

b= 13

So,

  (x + 13)^2 = x^2 + 26x + 169

But given equation is :

       x^2 + 26x = 33\  =>  \ x^2 + 26x -33 = 0

We have find the difference between 169 and -33 to get the number that should be added to get the perfect square.

That is , 169 - (-33) = 202

Therefore ,

   x^2 + 26x -33 + 202 \ makes \ given \ equation  \ a \ perfect \ square

8 0
3 years ago
A total of 1680 ounces of pet food have to be packed in 5 pound bags. How many 5 pound bags of pet food can be packed ?
mamaluj [8]
To begin with, we have to multiply 16 by 5, to determine how many ounces are in the bags. we get 80, no? we then divide 1680 by 80 to receive 21. your answer is 21.
5 0
4 years ago
Please help.............:)
Lisa [10]

Answer:

37

Step-by-step explanation:

1.90x20 = 38 (This is how much she was paid)

70-38 = 37

Formula:

How much she paid (Running costs) - How much she was paid = Total loss

3 0
3 years ago
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