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Alchen [17]
3 years ago
8

Solve x^2 = 144.A. 72 B. 12C. +12D. -12​

Mathematics
2 answers:
Vladimir79 [104]3 years ago
5 0
B. 12

Ex: 12 squared is 144
Jey
2 years ago
i got it wrong on my test
Mandarinka [93]3 years ago
3 0

Answer: 12

Step-by-step explanation:

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alexdok [17]
The answer is C. Area
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WILL GIVE A BRAINLIEST PLEASE HELP!!
skelet666 [1.2K]
A= l*w
168= 14*w

Divide both sides by 14
168/14= 14w/14
12=w

Final answer: 12 ft (I'm not sure if you meant to switch the order of b and c).
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Step-by-step explanation:

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3 years ago
To slove,estimate by using front-end estimation, and round to make it more accurate.
Eva8 [605]

We can round 58697 to 59000, and 3664 to 4000. The computation becomes

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3 years ago
10 points
Damm [24]

She did not simplify under the square root correctly.

<h3>Quadratic equation</h3>

Given the quadratic expression

5x^2 - 6x - 8 = 0

Using the general formula, we will have:

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

From the given equation;

a = 5

b  -6

c = -8

Substitute the values into the formula to have:

x =\frac{6\pm \sqrt{6^2-4(5)(-8)}}{2(5)}\\ x =\frac{6\pm \sqrt{36+120}}{10}\\x =\frac{6\pm 12.49}{10}\\

From the given solution, we can see that she did not simplify under the square root correctly.

Learn more on general formula here; brainly.com/question/21466038

5 0
2 years ago
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