The correct option is: Option (D) 7
Explanation:
These type of questions can easily be solved using the Venn diagram. Below is the image attached that shows the Venn diagram and the solution.
Answer:
45
Step-by-step explanation:
6² + 3²
36 + 9
45
Follow me please
30 x 30 + 25 x 15 = $1275
So,
30 tickets were sold from the $30 type, while 15 tickets were sold from the $25 type!
Answer:
![\large\boxed{9.\ 3y^2}\\\boxed{10.\ 7y^2}](https://tex.z-dn.net/?f=%5Clarge%5Cboxed%7B9.%5C%203y%5E2%7D%5C%5C%5Cboxed%7B10.%5C%207y%5E2%7D)
Step-by-step explanation:
![9.\\36y^2=2\cdot2\cdot3\cdot\boxed3\cdot\boxed{y^2}\\\\21y^3=\boxed3\cdot7\cdot\boxed{y^2}\cdoty\\\\GCF(36y^2;\ 21y^3)=\boxed3\cdot\boxed{y^2}=3y^2\\\\10.\\49x^2y^2=\boxed7\cdot7\cdot x^2\cdot \boxed{y^2}\\\\21y^3=3\cdot\boxed7\cdot\boxed{y^2}\cdot y\\\\GDF(49x^2y^2;\ 21y^3)=\boxed7\cdot\boxed{y^2}=7y^2](https://tex.z-dn.net/?f=9.%5C%5C36y%5E2%3D2%5Ccdot2%5Ccdot3%5Ccdot%5Cboxed3%5Ccdot%5Cboxed%7By%5E2%7D%5C%5C%5C%5C21y%5E3%3D%5Cboxed3%5Ccdot7%5Ccdot%5Cboxed%7By%5E2%7D%5Ccdoty%5C%5C%5C%5CGCF%2836y%5E2%3B%5C%2021y%5E3%29%3D%5Cboxed3%5Ccdot%5Cboxed%7By%5E2%7D%3D3y%5E2%5C%5C%5C%5C10.%5C%5C49x%5E2y%5E2%3D%5Cboxed7%5Ccdot7%5Ccdot%20x%5E2%5Ccdot%20%5Cboxed%7By%5E2%7D%5C%5C%5C%5C21y%5E3%3D3%5Ccdot%5Cboxed7%5Ccdot%5Cboxed%7By%5E2%7D%5Ccdot%20y%5C%5C%5C%5CGDF%2849x%5E2y%5E2%3B%5C%2021y%5E3%29%3D%5Cboxed7%5Ccdot%5Cboxed%7By%5E2%7D%3D7y%5E2)
Answer:
( x - 7)^2=1
Step-by-step explanation: