Answer:
37
Step-by-step explanation:
-3x^{2} + 1
replace (x) with (-2)
-3(-2)^{2} + 1
6^2 +1=36+1
=37
3y is the supplement of 141 so that means 3y+140=180 so y is 13.33. Since they give you 68, 68+13.33+x=180. So 81.33+x=180 and x=98.66.
Answer:
1/2
Step-by-step explanation:
Slope = rise/run
Rise=1
Run=2
Rise/run=1/2
Answer:
1.1x10^24
Step-by-step explanation:
Answer:
250
Step-by-step explanation:
Number of labourers * Number of days worked = Total number of working days
Total number of working days to construct a 4km long road:
Total mumber of working days to construct a 8km long road:
Labourers: 20000 ÷ 80 = 250.
250 labourers are required.