Answer:
1
Step-by-step explanation:
![(3^{0} )^{-3} =1^{-3} =\frac{1}{1^3} =1](https://tex.z-dn.net/?f=%283%5E%7B0%7D%20%29%5E%7B-3%7D%20%3D1%5E%7B-3%7D%20%3D%5Cfrac%7B1%7D%7B1%5E3%7D%20%3D1)
Anything to the power of 0 = 1
Negative exponents = inverse
Hope this helps!
Answer:
7 x - 8 y = 5
x - 8 y = -13
6 x = 18 subtract equations
x = 3
7 (3) - 8 y = 5
8 y = 16 solve for y
y = 2
Solution : (3, 2)
Check:
3 - 8 * 2 = -13 agrees with second equation
Answer:
70000000000
8000000000 that is the answer I wonder why ieven downloaded this app self you guys fraust me every time
Method used:-
Completing the square method.
Steps :-
![( x - 1 ) ( x + 2 ) = - 2\\x^{2}+x-2=-2 \\x^{2}+x=-2+2 \\x^{2}+x=0](https://tex.z-dn.net/?f=%28%20x%20-%201%20%29%20%28%20x%20%2B%202%20%29%20%3D%20-%202%5C%5Cx%5E%7B2%7D%2Bx-2%3D-2%20%5C%5Cx%5E%7B2%7D%2Bx%3D-2%2B2%20%5C%5Cx%5E%7B2%7D%2Bx%3D0)
Now, make the left hand side of the equation by adding the square of ½ to both sides of the equation.
![x^{2}+x+\left(\frac{1}{2}\right)^{2}=\left(\frac{1}{2}\right)^{2} \\x^{2}+x+\frac{1}{4}=\frac{1}{4} \\\left(x+\frac{1}{2}\right)^{2}=\frac{1}{4} \\\sqrt{\left(x+\frac{1}{2}\right)^{2}}=\sqrt{\frac{1}{4}} \\](https://tex.z-dn.net/?f=x%5E%7B2%7D%2Bx%2B%5Cleft%28%5Cfrac%7B1%7D%7B2%7D%5Cright%29%5E%7B2%7D%3D%5Cleft%28%5Cfrac%7B1%7D%7B2%7D%5Cright%29%5E%7B2%7D%20%5C%5Cx%5E%7B2%7D%2Bx%2B%5Cfrac%7B1%7D%7B4%7D%3D%5Cfrac%7B1%7D%7B4%7D%20%5C%5C%5Cleft%28x%2B%5Cfrac%7B1%7D%7B2%7D%5Cright%29%5E%7B2%7D%3D%5Cfrac%7B1%7D%7B4%7D%20%5C%5C%5Csqrt%7B%5Cleft%28x%2B%5Cfrac%7B1%7D%7B2%7D%5Cright%29%5E%7B2%7D%7D%3D%5Csqrt%7B%5Cfrac%7B1%7D%7B4%7D%7D%20%5C%5C)
Simplify the equation. You'll get a +ve & -ve value.
![x+\frac{1}{2}=\frac{1}{2} \\x+\frac{1}{2}=-\frac{1}{2}](https://tex.z-dn.net/?f=x%2B%5Cfrac%7B1%7D%7B2%7D%3D%5Cfrac%7B1%7D%7B2%7D%20%5C%5Cx%2B%5Cfrac%7B1%7D%7B2%7D%3D-%5Cfrac%7B1%7D%7B2%7D)
Simplify it further.
![\boxed{\sf\:x=0}\\ \boxed{\sf\:x=-1 }](https://tex.z-dn.net/?f=%5Cboxed%7B%5Csf%5C%3Ax%3D0%7D%5C%5C%20%5Cboxed%7B%5Csf%5C%3Ax%3D-1%20%7D)
The solutions are :-
x = 0 & x = -1
______
Hope it helps ⚜
I thinks it is c because its not 100% made from silver