Answer:
4
Step-by-step explanation:
- divide each side by 4.5
- x would be left equal to 4
Answer:
Bsiwbf8s8duegwoaosl
Keoso0w2ksvuaowjdha7iqrhhhsusiwiwo9w
Iieieowwhwhwowleje
Which language is thir?
3.6x - 2y = 6
-2.7x + y = 3.....multiply by 2
----------------
3.6x - 2y = 6
-5.4x + 2y = 6 (result of multiplying by 2)
----------------add
-1.8x = 12
x = 12/-1.8
x = - 6.67 (or -20/3)
3.6x - 2y = 6
3.6(-6.67) - 2y = 6
-24.01 - 2y = 6
-24.01 - 6 = 2y
-30.01 = 2y
-30.01 / 2 = y
-15 = y
solution : (-6.67, -15)
87.2 - 25.9 = 87.2 - 26 = 61.2 + 0.1 = 61.3
Answer:
![R(x,y) = (0.8,-1.2)](https://tex.z-dn.net/?f=R%28x%2Cy%29%20%3D%20%280.8%2C-1.2%29)
Step-by-step explanation:
The coordinates of QS are:
![Q(x_1,y_1) = (-2,-6)](https://tex.z-dn.net/?f=Q%28x_1%2Cy_1%29%20%3D%20%28-2%2C-6%29)
![S(x_2,y_2) = (5,6)](https://tex.z-dn.net/?f=S%28x_2%2Cy_2%29%20%3D%20%285%2C6%29)
The ratio is represented as:
![R_{m:n} = 2:3](https://tex.z-dn.net/?f=R_%7Bm%3An%7D%20%3D%202%3A3)
Required
Find the coordinates of R
The coordinates of R is calculated by:
![R(x,y) = (\frac{mx_2 + nx_1}{m+n},\frac{my_2 + ny_1}{m+n})](https://tex.z-dn.net/?f=R%28x%2Cy%29%20%3D%20%28%5Cfrac%7Bmx_2%20%2B%20nx_1%7D%7Bm%2Bn%7D%2C%5Cfrac%7Bmy_2%20%2B%20ny_1%7D%7Bm%2Bn%7D%29)
Substitute values for m, n, x's and y's
![R(x,y) = (\frac{2 * 5 + 3 * -2}{2+3},\frac{2*6 + 3*-6}{2+3})](https://tex.z-dn.net/?f=R%28x%2Cy%29%20%3D%20%28%5Cfrac%7B2%20%2A%205%20%2B%203%20%2A%20-2%7D%7B2%2B3%7D%2C%5Cfrac%7B2%2A6%20%2B%203%2A-6%7D%7B2%2B3%7D%29)
![R(x,y) = (\frac{4}{5},\frac{-6}{5})](https://tex.z-dn.net/?f=R%28x%2Cy%29%20%3D%20%28%5Cfrac%7B4%7D%7B5%7D%2C%5Cfrac%7B-6%7D%7B5%7D%29)
![R(x,y) = (0.8,-1.2)](https://tex.z-dn.net/?f=R%28x%2Cy%29%20%3D%20%280.8%2C-1.2%29)
<em>None of the options is correct</em>