Answer:
The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate. The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other.
Step-by-step explanation:
Answer:
A = 5t +7000
Step-by-step explanation:
Tim's rate of increasing altitude is 5 ft/min, so his change in altitude in t minutes is 5t.
If he started at 7000 ft, his altitude as a function of time is the sum of his initial altitude and his change in altitude:
A = 5t +7000
Answer: (x+3)+2y
Step-by-step explanation:
yes
X= 6 y=9 and the last one is -40 i believe. the middle ones i'm not sure of
Answer:abc
Step-by-step explanation: