Answer:
45
Step-by-step explanation:
Answer:
Centre: (6,0)
Radius: 2
Step-by-step explanation:
r² = 4
r = 2
Answer:
13 4/5 = 10 + 3 4/5
Step-by-step explanation:
Answer:
8x² + 6xy - 4
Step-by-step explanation:
(5x² + 4xy - 7) + (3x² + 2xy + 3) ← remove parenthesis
= 5x² + 4xy - 7 + 3x² + 2xy + 3 ← collect like terms
= 8x² + 6xy - 4
Answer:
6.75.
Step-by-step explanation:
Following PEMDAS, as there are no other variables, we move from right to left. 9 x 3 is 27, and 27 / 4 is 6.75.
Hope this helps!