Answer:
0.00501, the -3 means to move the decimal point to the left three
Hope this helps ;)
Step-by-step explanation:
Answer:
![\huge\boxed{x=18^o}](https://tex.z-dn.net/?f=%5Chuge%5Cboxed%7Bx%3D18%5Eo%7D)
Step-by-step explanation:
Two angles are Complementary when they add up to 90°.
Therefore
![x+4x=90\qquad|\text{combine like terms}\\\\5x=90\qquad|\text{divide both sides by 5}\\\\\dfrac{5x}{5}=\dfrac{90}{5}\\\\\boxed{x=18}](https://tex.z-dn.net/?f=x%2B4x%3D90%5Cqquad%7C%5Ctext%7Bcombine%20like%20terms%7D%5C%5C%5C%5C5x%3D90%5Cqquad%7C%5Ctext%7Bdivide%20both%20sides%20by%205%7D%5C%5C%5C%5C%5Cdfrac%7B5x%7D%7B5%7D%3D%5Cdfrac%7B90%7D%7B5%7D%5C%5C%5C%5C%5Cboxed%7Bx%3D18%7D)
Answer:
i think it is th 3rd one
Step-by-step explanation:
Answer:
$16,800
Step-by-step explanation:
You would do 21,000×0.20, which equals 4,200.
Since 4,200 equals 20% of 21,000, then you would do 21,000-4,200 which equals 16,800. So the car is worth $16,800 dollars when she bought it.