Answer:
the 2nd one
Step-by-step explanation:
I took the Quiz
Answer:
<h2>x = 9 and y = -3 → (9, -3)</h2>
Step-by-step explanation:
![\left\{\begin{array}{ccc}\dfrac{1}{3}x+y=\dfrac{0}{3}&\text{multiply both sides by 3}\\\\\dfrac{1}{6}x+\dfrac{1}{5}y=\dfrac{9}{10}&\text{multiply both sides by 30}\end{array}\right\\[tex]\left\{\begin{array}{ccc}x+3y=0&\text{multiply both sides by (-2)}\\5x+6y=27\end{array}\right\\\underline{+\left\{\begin{array}{ccc}-2x-6y=0\\5x+6y=27\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad3x=27\qquad\text{divide both sides by 3}\\.\qquad\boxed{x=9}\\\\\text{Put the value of x to the first equation:}\\\\9+3y=0\qquad\text{subtract 9 from both sides}\\3y=-9\qquad\text{divide both sides by 3}\\\boxed{y=-3}](https://tex.z-dn.net/?f=%5Cleft%5C%7B%5Cbegin%7Barray%7D%7Bccc%7D%5Cdfrac%7B1%7D%7B3%7Dx%2By%3D%5Cdfrac%7B0%7D%7B3%7D%26%5Ctext%7Bmultiply%20both%20sides%20by%203%7D%5C%5C%5C%5C%5Cdfrac%7B1%7D%7B6%7Dx%2B%5Cdfrac%7B1%7D%7B5%7Dy%3D%5Cdfrac%7B9%7D%7B10%7D%26%5Ctext%7Bmultiply%20both%20sides%20by%2030%7D%5Cend%7Barray%7D%5Cright%5C%5C%5Btex%5D%5Cleft%5C%7B%5Cbegin%7Barray%7D%7Bccc%7Dx%2B3y%3D0%26%5Ctext%7Bmultiply%20both%20sides%20by%20%28-2%29%7D%5C%5C5x%2B6y%3D27%5Cend%7Barray%7D%5Cright%5C%5C%5Cunderline%7B%2B%5Cleft%5C%7B%5Cbegin%7Barray%7D%7Bccc%7D-2x-6y%3D0%5C%5C5x%2B6y%3D27%5Cend%7Barray%7D%5Cright%7D%5Cqquad%5Ctext%7Badd%20both%20sides%20of%20the%20equations%7D%5C%5C.%5Cqquad3x%3D27%5Cqquad%5Ctext%7Bdivide%20both%20sides%20by%203%7D%5C%5C.%5Cqquad%5Cboxed%7Bx%3D9%7D%5C%5C%5C%5C%5Ctext%7BPut%20the%20value%20of%20x%20to%20the%20first%20equation%3A%7D%5C%5C%5C%5C9%2B3y%3D0%5Cqquad%5Ctext%7Bsubtract%209%20from%20both%20sides%7D%5C%5C3y%3D-9%5Cqquad%5Ctext%7Bdivide%20both%20sides%20by%203%7D%5C%5C%5Cboxed%7By%3D-3%7D)
[/tex]
Answer:188
Step-by-step explanation:
u have to add all the side which is 46+46+13+13=188
Answer: $595
Step-by-step explanation:
First find the number of items he sold.
Digital Cameras:
= Amount received from selling digital cameras / Cost of cameras
= 700 / 175
= 4 cameras
Laptops:
= 2,394 / 399
= 6 laptops
Vacuum cleaners:
= 833 / 119
= 7
Total number of items sold:
= 4 + 6 + 7
= 17 items
He earns $35 on each sale so the total commission is:
= 35 * 17
= $595
