Answer:
2 + 2 = 4 total earrings in the box.
If you put the earring back into the box before taking out the second, it would be 1/2 * 1/2 = 1/4, 25%.
Answer:
(-2,0) and (-7,0).
Step-by-step explanation:
Hope this helps!
The mean would be -6.2
hope this helps :D
Answer:
y-30=2(x-2)
Step-by-step explanation:
m=y2-y1/x2-x1
-28-2=(-30)
15-30=(-15)
-30/(-15)=2
m=2
hope this helps =3
sorry if im wrong
Answer:
![x=\pm2\sqrt{10}](https://tex.z-dn.net/?f=x%3D%5Cpm2%5Csqrt%7B10%7D)
Step-by-step explanation:
You want to solve ...
![40 -x^2=0\\\\40=x^2\qquad\text{add $x^2$}\\\\\pm\sqrt{40}=x\qquad\text{take the square root}\\\\\boxed{x=\pm2\sqrt{10}}\qquad\text{simplify}](https://tex.z-dn.net/?f=40%20-x%5E2%3D0%5C%5C%5C%5C40%3Dx%5E2%5Cqquad%5Ctext%7Badd%20%24x%5E2%24%7D%5C%5C%5C%5C%5Cpm%5Csqrt%7B40%7D%3Dx%5Cqquad%5Ctext%7Btake%20the%20square%20root%7D%5C%5C%5C%5C%5Cboxed%7Bx%3D%5Cpm2%5Csqrt%7B10%7D%7D%5Cqquad%5Ctext%7Bsimplify%7D)