Answer:
Top Question:
56.52
Bottom Question:
235.5
<h3>
step-by-step explanation:</h3>
Top Question:
π*r^2 = 113.04
113.04*0.5 = 56.52.
Bottom Question:
π*r^2 = 314.
314*0.75 = 235.5.
We use the formula π x r^2.
Answer:
0.025 grams
Step-by-step explanation:
The water in the stopcock has a volume of 25 mL initially, After that, the whole water was drained out. So we have:
Volume of drained water = (25 mL)(1 x 10⁻⁶ m³/1 mL)
Volume of drained water = 25 x 10⁻⁶ m³
Density of drained water = 1000 kg/m³
So, for the mass of drained water:
Density of drained water = Mass of drained water/Volume of drained water
Mass of drained water = (Density of drained water)(Volume of drained water)
Mass of drained water = (1000 kg/m³)(25 x 10⁻⁶ m³)
<u>Mass of drained water = 0.025 gram</u>
Density
Answer:
2 1/2 hours
Step-by-step explanation:
Divide 100 by 40 and you get 2.5
1 solution because it is parallel
Answer:
simple its 48
Step-by-step explanation:
i just know XD