Answer:
see below
Step-by-step explanation:
2/5
4/10
8/20
Answer: 1 : 20%
2 : 80%
3 : -90% (negative 90%), if no negatives are allowed, than it is a 90% decrease.
4 : $90
5: $31.50
Step-by-step explanation:
Figure out how far it is from one side to another. The top is 46 + 8 = 55 across.
the bottom is also 55.
Figure out how far it is from the bottom up. The left side is 38 + 10 = 48. The right is also 48.
Put all of the distances together: 55+55+48+48 = ?
It's about 94.3m
You have to find the length of the diagonal, subtract the diameter of the circle, then add half of the circumference
Answer:
It will take 58 seconds
Step-by-step explanation:
If you have 1 kg of water in the jar, half of it will be 0.5 kg.
To vaporize half of the water (0.500 kg) the energy supply needed is
If the stove is supplying 20 kJ/s, the time its needed is
It will last at least 58 seconds to vaporize half of the water.
