Answer:

Step-by-step explanation:
Given Data,
Q=23000 J
c=4.184 J/g °c
Δt= 68 °c
m=?
By using this equation,
Q=mcΔt

Answer:
-2.65
Step-by-step explanation:
-1.2 - 1.45 = -2.65
you could just simplify fraction into decimal and use calculator
Answer:
Ready Maid Cleaning Service's liabilities were $2930.
Step-by-step explanation:
At the end of a recent year, Ready Maid Cleaning Service, a full-service house and office cleaning service, had total assets of $ 5,810 and equity of $ 2,880.
Liabilities = assets - equity
So, Liabilities =
dollars
Hence, Ready Maid Cleaning Service's liabilities were $2930.
Answer:
60 degrees.
Step-by-step explanation:
We use trigonometry of a right angled triangle:
Adjacent side = 20 ft, Hypotenuse = 40 ft.
cos x = adjacent / hypotenuse = 20/40 = 1/2
x = 60 degrees.
Answer:
40, 2000, 50
Step-by-step explanation:
I am not sure, but if you find any other answer, you can use this numbers