Answer:
x+12=20
Step-by-step explanation:
"A number" is referring to x and when you subtract a negative number you are actually adding.This equals 20 so you right it as x+12=20
Answer:
B, please give me brainliest
Step-by-step explanation:
Answer:
146 square meters
Step-by-step explanation:
We can split the figure into a 6 by 15 rectangle and a parallelogram (8 base, 7 height).
- The area of the rectangle is 6•15=90
- The area of the parallelogram is 8•7=56
- 90+56=146
Answer:
y=3/2x-5/2
Step-by-step explanation:
1.find the slope
y2-y2/x2-x1
2-(-1)/3-1
2+1/3-1
3/2 slope (m)
2.y-y1=m(x-x1)
y-(-1)=3/2(x-1)
y+1=3/2x-3/2
y=3/2x-3/2-1
y=3/2x-5/2
40 if you truly really think about it