Answer:
![\dfrac{203-183i}{169}](https://tex.z-dn.net/?f=%5Cdfrac%7B203-183i%7D%7B169%7D)
Step-by-step explanation:
![\dfrac{9-19i}{12-5i}=\dfrac{(9-19i)(12+5i)}{(12-5i)(12+5i)}=\dfrac{108+45i-228i-95i^2}{144-25i^2}\\\\=\dfrac{203-183i}{169}=\dfrac{203}{169}-\dfrac{183}{169}i](https://tex.z-dn.net/?f=%5Cdfrac%7B9-19i%7D%7B12-5i%7D%3D%5Cdfrac%7B%289-19i%29%2812%2B5i%29%7D%7B%2812-5i%29%2812%2B5i%29%7D%3D%5Cdfrac%7B108%2B45i-228i-95i%5E2%7D%7B144-25i%5E2%7D%5C%5C%5C%5C%3D%5Cdfrac%7B203-183i%7D%7B169%7D%3D%5Cdfrac%7B203%7D%7B169%7D-%5Cdfrac%7B183%7D%7B169%7Di)
Answer:
x≥17
Step-by-step explanation:
arrow > is pointing to the right, line is going to right
with greater/less than or equal to signs (line under arrow ≥), the dot is filled in.
It is same as <span>sec^2 x + csc^2 x </span>
Answer:
49
Step-by-step explanation:
First you multiply all the numbers then divide by 50