Answer: 7.32
Step-by-step explanation:
Answer:
y=2-4x
Step-by-step explanation:
move 4X to the other side and change the sign from plus to mines
Combined work problems
job/time + job/time = job/ total time
(1/80) + (1/100) = 1/T
(10/800) + (8/800) = 1/T
18/800 = 1/T
800/18 = T
44.44 hrs = T
Answer: ↓↓
Step-by-step explanation:
The original value of the cellphone is $650. The function represents an exponential decay because if it was exponential growth, the function would look like this:

The temperature was 13 degrees Fahrenheit in Small town six hours ago.
Step-by-step explanation:
Given,
Current temperature in Small town = 20 degrees Fahrenheit
Let,
x be the temperature 6 hours ago.
According to given statement;
This is 6 degrees less that twice the temperature that it was 6 hours ago.

Dividing both sides by 2

The temperature was 13 degrees Fahrenheit in Small town six hours ago.
Keywords: temperature, division
Learn more about division at:
#LearnwithBrainly