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Mila [183]
3 years ago
6

16x^2-16x=5 solve the equation by completing the square

Mathematics
1 answer:
Ivanshal [37]3 years ago
7 0

This is your answer: x= -1/4 or x=5/4. Plze mark me brainiest:)

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I've been having problems with this for a while...
Rina8888 [55]
Like all problems that involve images within the question, we should definitely try to draw this out. In the picture above, I have done this.

Now, we can see that this is just a simple proportion problem. For every 2.5 cm of height of the flower, we are 2 cm from the opening, or aperture. For every 20 cm of height, how far are we? We can set up the problem like this:

20 ............2.5
-------- = ---------
...x ............. 2

where x is the unknown distance to the aperture from the flower. Now, we just need to get x by itself. A typical way of solving something like this is by doing "butterfly multiplication" which is really just a shortcut haha. Anyway, I can rewrite that equation ^ as:

20×2 = 2.5 × x

Then, to solve for x, we would divide both sides by 2.5. (If you don't know why that is, please let me know and I'll elaborate).

We would then have:

20×2
------- = x
2.5

Which then simplifies to:

x = 16

Try using the same logic for your second question, and if you get stuck, I'd be happy to help! please let me know if any of this doesn't make sense. :)

3 0
3 years ago
Does anyone know these answers??
densk [106]

The angles of a triangle always add up to 180°.

By simply adding the angles and checking the total, you can tell if they make a triangle or not.

Using this property, 5 won't make a triangle, 6 will.

Hope this helps! :D

7 0
3 years ago
I Type the expression that results from the following series of
ollegr [7]

Answer:

4t - 9

Step-By-Step Explanation:

8 0
2 years ago
GIVING BRAINIEST!<br> please please please help !
artcher [175]

..........the answer is B

7 0
2 years ago
3x<img src="https://tex.z-dn.net/?f=3x%5E%7B2%7D%20-13x%2B4" id="TexFormula1" title="3x^{2} -13x+4" alt="3x^{2} -13x+4" align="a
den301095 [7]

Answer:

46790

Step-by-step explanation:

3 0
2 years ago
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