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bearhunter [10]
2 years ago
13

Which is the correct form of the quadratic formula? A) x = b ± b2 - 4ac a B) x = b ± b2 - 4ac 2a C) x = - b ± b2 - 4ac a D) x =

- b ± b2 - 4ac 2a
Mathematics
1 answer:
ozzi2 years ago
5 0
Hello!

The quadratic formula is 

x =  \frac{-b +-  \sqrt{ b^{2}-4ac }  }{2a}

So the answer is D

Hope this helps!
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Rectangle A has length 12 and width 8. Rectangle B has length 15 and width 10. Rectangle C has length 30 and width 15.
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3 years ago
What is the answer to:
velikii [3]
Weird way to write it but alright! (Sideways) 

19pq^-2 x 5pq^6 = ?

These problems are pretty much single operations between each of the variables / constants. 

So it's like this: 

(19*5)(p*p)(q^-2*q^6) = ?

19*5 is 95.

For p*p remember that when two variables multiply there given powers add. In the case where the powers are not shown (like in the case of p*p) they are always assumed to be 1. So what is 1+1? 2. 

p*p is p^2

For q^-2*q^6 it is the same deal with the previous problem. So now the problem looks like this: 

-2 + 6 = 4 
(The two is negative, because the power is negative 2) 

So, q^4. 

Our final answer is all of the combined.... like a so: 

95p^2q^4
3 0
3 years ago
If it takes 9 1/2 bags of sand to fill 2 1/2 sandboxes how much sand does it take to fill one sandbox
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Hello.

It takes 3 4/5 bags of sand to fill in one sandbox.

Hope it helps you :)
3 0
3 years ago
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Answer:

40 jugs u just double it so ya

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2 years ago
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Step-by-step explanation:

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