Answer:
1/3 kg/m3
Step-by-step explanation:
density= mass/volume
mass=40 kg
volume=5m×8m×3m=120m³
density=40kg/120m³=1/3 kg/m³
The only solution is the first one A. However, it would take a lot of time and space here to explain why this works! So, just trust me! Hope could help! :)
Answer:
1 = 52°
2=79°
3= 38°
Step-by-step explanation:
each triangle equals 180°
and 1 and 3 also make a right angle which should always be 90°
Answer:
Step-by-step explanation:
Substitute y = x-4 in the first equation.
Distribute -2 in the expression.
Because we only want to find the value of x.
Therefore the answer is -4.
The answer is 13 because you would multiply 1/2 by 14 which is 7 and then multiply 2 and -3 which is -6 the you would subtract-6 from 7 to get 13