Answer:
2
Step-by-step explanation:
We are asked to perform the subtraction
x² + xy - 3y² - (5x² - xy + y²) ← distribute the parenthesis by - 1
= x² + xy - 3y² - 5x² + xy - y² ← collect like terms
= (x² - 5x²) + (xy + xy) + (- 3y² - y² )
= - 4x² + 2xy - 4y²
Step-by-step explanation:
option number B.......
Answer:
I want Brainliest!!!!
Step-by-step explanation:
volume for a rectagular prism is length x width x height
6 x 3.9 x 13.2 = 308.88
Answer: (27- 4/3 pi) r^3
Step-by-step explanation: 1. Volume of a cube: V= a^3, V= 3^3 , V=27
2. Volume of a sphere: V=4/3 pi r^3 ......
Answer:
1) 2019
2) 120-50=70
3) 2018
4) 100
5) 2018
6) 120-80=40
7) 2018
Step-by-step explanation:
1) 2019
2) 120-50=70
3) 2018
4) 100
5) 2018
6) 120-80=40
7) 2018