Answer:
isn't it that a parallelogram has 6 sides and these are 4?????????............
Answer:
x=3/2
Step-by-step explanation:
False. Although, I'm not 100% sure.
Answer:
-$43.67
Step-by-step explanation:
your balance was negative $12.71 then you still took $30.96 for the groceries so the equation suppose be
-12.71 -30.96
it have same sign so you add them, after you add them you will get $43.67 but cause it was negative so your bank account's new balance was -$43.67.
Given equation is
![3x^2 + 3x + 4 = 0](https://tex.z-dn.net/?f=3x%5E2%20%2B%203x%20%2B%204%20%3D%200)
Now we can compare it with general form of quadratic equation (
![ax^2 + bx + c = 0](https://tex.z-dn.net/?f=ax%5E2%20%2B%20bx%20%2B%20c%20%3D%200)
)
a = 3 , b = 3 and c = 4
Now we can apply quadratic formula which is given as
![x =\frac{ -b+/- \sqrt{b^2-4ac} }{2a}](https://tex.z-dn.net/?f=x%20%3D%5Cfrac%7B%20-b%2B%2F-%20%5Csqrt%7Bb%5E2-4ac%7D%20%7D%7B2a%7D)
Now we can plugin value of a , b or c
![= \frac{-3+/- \sqrt{9 - 48} }{6} = \frac{-3+/- \sqrt{-39} }{6}](https://tex.z-dn.net/?f=%3D%20%20%5Cfrac%7B-3%2B%2F-%20%5Csqrt%7B9%20-%2048%7D%20%7D%7B6%7D%20%20%3D%20%20%5Cfrac%7B-3%2B%2F-%20%5Csqrt%7B-39%7D%20%7D%7B6%7D%20)
In general we know
![\sqrt{-1} = i](https://tex.z-dn.net/?f=%20%5Csqrt%7B-1%7D%20%3D%20i%20)
So we can write
![\sqrt{-39 } = \sqrt{-1} * \sqrt{39} = i \sqrt{39}](https://tex.z-dn.net/?f=%20%5Csqrt%7B-39%20%7D%20%3D%20%20%5Csqrt%7B-1%7D%20%2A%20%20%5Csqrt%7B39%7D%20%20%20%20%3D%20i%20%5Csqrt%7B39%7D%20)
So
![x = \frac{-3+/-i \sqrt{39} }{6}](https://tex.z-dn.net/?f=x%20%3D%20%20%5Cfrac%7B-3%2B%2F-i%20%5Csqrt%7B39%7D%20%7D%7B6%7D%20)
So
![x = \frac{-3+i \sqrt{39} }{6}](https://tex.z-dn.net/?f=x%20%3D%20%20%5Cfrac%7B-3%2Bi%20%5Csqrt%7B39%7D%20%7D%7B6%7D%20)
or