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den301095 [7]
3 years ago
12

3g2+4g+1=0 solve for g

Mathematics
2 answers:
gulaghasi [49]3 years ago
7 0
- - Lets solve for G.

Keep in mind: G is acting as a unknown variable, commonly used as "x"
So we need to find the variable, and then we solve for g until we get "0" for our problem.
Okay so lets start off by factoring our equation, in this case you do left first.

3g+1*g+1=0
Alright, now we can set out "o" as the equal to all of our factors.
g+1=0
And now you need to solve for that,
And you get -1 for our answer.

Final answer: g=-1
ZanzabumX [31]3 years ago
4 0

Factor left side of equation

(3g+1) (g+1)=0

3g+1=0 or g+1=0

g=-1/3 or g=-1

I hope that's help !

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ivann1987 [24]

Answer:

\bar X = \frac{8+11+17+7+19}{5}= 12.4

And the can be founded with this formula:

s = \sqrt{\frac{\sum_{i=1}^n (X_i-\bar X)^2}{n-1}}

s = \sqrt{\frac{(8-12.4)^2 +(11-12.4)^2 +(17-12.4)^2 +(7-12.4)^2 +(19-12.4)^2}{5-1}} =5.367

And rounded to the nearest tenth we got s= 5.4

Step-by-step explanation:

For this case we have the following data given:

8, 11, 17, 7, 19

The first step is calculate the sample mean with this formula:

\bar X = \frac{\sum_{i=1}^n X_i}{n}

And replacing we got:

\bar X = \frac{8+11+17+7+19}{5}= 12.4

And the deviation can be founded with this formula:

s = \sqrt{\frac{\sum_{i=1}^n (X_i-\bar X)^2}{n-1}}

And replacing we got:

s = \sqrt{\frac{(8-12.4)^2 +(11-12.4)^2 +(17-12.4)^2 +(7-12.4)^2 +(19-12.4)^2}{5-1}} =5.367

And rounded to the nearest tenth we got s= 5.4

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