Subtract 9x from 23x yields 14x. This was done by subtracting algebraically the variables.
Answer:
T = 47.1875°C
Step-by-step explanation:
Given:
Surrounding temp, Ts = 100°C
Initial Temperature ,T0= 20°C
Increase in temperature = 15°C
Final temperature, T = 20 + 15 = 35°C
Time, t = 9 seconds
Let's take Newton's law of cooling:

We'll solve for k

Divide both sides by -5


Let's now find the temperature of the ball after 18 seconds in boiling water.
Use the Newton's equation again:




T = 47.1875°C
Temperature of the ball after 18 seconds in boiling water is 47.1875°C
Answer:
pretty sure its -2,3 :)
Step-by-step explanation:
Hello Shelbyhall, simply you would multiply 17.50 * 25 because 4 * 25 = 100%. Answer: 437.5 is the other 96% :)
Answer:
probably maybe 5
Step-by-step explanation:
it looks like you want to multiple 2 to each side to eliminate that denominator. then maybe subtract that 1 away to isolate k. it might equal 5 I'm doing it in my head