Answer:
4⋅(4d+5)
Step-by-step explanation:
A straight line is 180. To find the angle of b, you minus 39 from 180.
180-39=141
The answer is b=141
Answer: x=2.33
Step-by-step explanation:
5(x-3)-4(x+2)=2+3(1-2x)
Open the brackets
5x -15 - 4x -8 = 5 (1- 2x)
5x -15 - 4x -8 = 5 - 10x
Combine like terms
6x - 4x + 10x = 15 + 8 +5
12x = 28
Divide both sides by 12
x = 28/12
x= 2.33
I hope this helps.
Answer:
3
Step-by-step explanation:
3/4 x 4 = 3
using repeated addition:
0.75 + 0.75 + 0.75 + 0.75 = 3
2. 4 x 3/4 = 3
using division and multiplication.
4 x 0.75 = 3