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Dvinal [7]
3 years ago
9

I am confused on this

Mathematics
1 answer:
Xelga [282]3 years ago
3 0

This question is complicated. But, based on the words, I would say that doubles is the key word. First we have to figure out how far it is between 11 and 2. Now we are going to turn 2 into a 2 digit number, since it is after 12 then we are going to add 12 to this number. 12+2=14. So now we are going to subtract 11 from 14. Leaving us with 3.

Now we know that there are 3 meters at 2, and it doubles every hour.

So we are going to take the square root of 3. \sqrt{3} =1.732050808

So that means that it was at 1.732050808 at 1 pm.

Now we are going to take the square root of that number.\sqrt{1.732050808} =1.316074013

Which means that at noon it was at 1.316074013.

And finally take the square root of that number. \sqrt{1.316074013} =1.14720269

So now we know that at 11 am it was at 1.14720269 meters.

I hope that helps, if you need any further help on this or any other problems just ask.

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4 years ago
Solve the equation using the Quadratic Formula.<br> 2x(5x + 1) = 3
fomenos

Answer:

2x(5x +1)=3

Step-by-step explanation:

2x(5x + 1) = 3

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Leya [2.2K]
Given the expression:
-x^2+18x-99
to solve by completing squares we proceed as follows:
-x^2+18x-99=0
this can be written as:
-x^2+18x=99
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factorizing the quadratic we obtain:
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(x-9)²+18=0
the above takes the vertex form of :
y=(x-k)²+h
where (k,x) is the vertex:
the vertex of our expression is:
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hence the maximum point is at (9,18)
NOTE: The vertex gives the maximum point because, from the expression we see that the coefficient of the term that has the highest degree is a negative, and since our polynomial is a quadratic expression then our graph will face down, and this will make the vertex the maximum point.
6 0
3 years ago
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Answer:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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