Answer:
it 12 not 3 okay
Step-by-step explanation:
1. 40
2. 43
its just like subtracting when you add a negative number to a positive one. flip them around! makes it a lot easier.
Answer:
8.
9. -38 ÷ 19
10. -4 ÷ -2
11. 190° im pretty sure
Step-by-step explanation:
Answer:
(x-4)=0 or (x+2)=0 is correct
Step-by-step explanation:
(x+1)(x-3)=5
x^2 -3x +x -3=5
x^2-2x-8=0
x^24x+2x-8=0
(x+2)(x-4)=0
so,
(x-4)=0 or (x+2)=0
Answer:
47.3
Step-by-step explanation:
A triangles angles add up to 180 degrees
At 42.7 and 90 and you get 132.7
Subtract 132.7 from 180 and you get 47.3 degrees.