Answer:
Step-by-step explanation:
2. To get how much she spent on the taxi fare, we simply add the cost of desert and the dinner and subtract the result from her total money spent
Desert - $6, Dinner - $16, Total - $31, Taxi fare - x
Equation modelling the problem - x = 31 - (16 + 6)
x = 31 - 22
x = 9, She spent $9 on taxi fare
1. a - Two other related equations:
Making K the subject of the formula, we add 273.15 to both sides
C + 273.15 = K - 273.15 + 273.15
C + 273 .15 = K
Switch sides
K = C + 273.15 - eqn 1
From eqn 1 - K = C + 273.15
Subtract C from both sides
K - C = C + 273.15 - C
K - C = 273.15 - eqn 2
b. If the temp. is 23°C, what is the temp. in K
From eqn 1
K = C + 273.15
K = 23 + 273.15
K = 296.15 K
c. To know which is greater, you have to convert them to the same unit. You can either choose to do them in Celsius(C) or in Kelvin(K).
I will do it in Kelvin.
Converting C to K, we use the original equation; C = K - 273.15
C = 300 - 273.15
C = 26.85°
300K is also = 26.85C and 26.85C is greater than 25C
So, 300K is greater than 25C
Sorry, but question 3 is incomplete and i can't answer.
