D), if you see the last choice you add the 2 and the 0.05 together and you would get 2.05, on the side it says 36, this is porbably just the distributive property
Answer: 32 degrees
Step-by-step explanation:
4x+3=9x-4
-4x -4x
3=5x-4
+4 +4
5x=7
x= 7/5
Answer:
x=-7
Step-by-step explanation:
add 4 to both sides. leaving you with x=-7
Answer:
1) -5 and +5; 2) -9 and +9
Step-by-step explanation:
1) a² + 2ab + b² = 25
(a + b)² = 25 Wrote the left-hand side as a square
a + b = ±5 Took the square root of each side
All values of a + b are -5 and +5.
2) a² − 8ab + 16b² = 81
(a - 4b)² = 81 Wrote the left-hand side as a square
a - 4b = ±9 Took the square root of each side
All values of a - 4b are -9 and +9.