Answer:
The temperature a t = 0 is 190 °F
The temperature a t = 1 is 100 °F
The temperature a t = 2 is 77.5 °F
It takes 1.5 hours to take the coffee to cool down to 85°F
It takes 2.293 hours to take the coffee to cool down to 75°F
Step-by-step explanation:
We know that the temperature in °F, of a cup of coffee t hours after it is set out to cool is given by the following equation:
a) To find the temperature a t = 0 you need to replace the time in the equation:
b) To find the temperature after 1 hour you need to:
c) To find the temperature after 2 hours you need to:
d) To find the time to take the coffee to cool down , you need to:
e) To find the time to take the coffee to cool down , you need to:
additive identity
commutative property
distributive property
Answer:
Step-by-step explanation:
NVM ITS WRONG
(a) For each value of X we have:
so the range of Y = {-32, -23, 4, 49}
(b)
(c)
Y cannot equal 0, so
help ASAP and please answer both questions asked
Answer:
1. 768 square yards
2. 384 square yards
Step-by-step explanation:
1. 16 x 16 = 256
256 x 3 = 768 square yards
2. 16 x 16 = 256
256/2 = 128
128 x 3 = 384 square yards
Answer:
No. Southwest flights did not arrive on time.
Step-by-step explanation:
Please see attachment