Cal is measuring temperature changes in four substances over different time periods as part of a school project. Which data show
a proportional relationship?
1 answer:
Answer:
C) The third table. K= 5

Step-by-step explanation:
1) Below there are the missing data:
A proportional relationship through a constant k. It is obtained when we divide:

2)In this case, when we divide the temperature (T) by the time (h).

3)So, examining the table below we are searching for a ratio k common to all measures (temperatures over hour).

You might be interested in
Answer: Yes.
Step-by-step explanation:
First ratio
5 : 15
Simplify (divide both sides by 5)
1 : 3
Second Ratio
3 : 9
Simplify (divide both sides by 3)
1 : 3
Answer:
$7500
Step-by-step explanation:
$5000 was deposited
5% annual interest of the $5000 is $250
so in ten years the interest will be 10 ×$250 =$2500
so the total sum that will be in the account is $5000 + $2500 =$7500
Answer:
B
Step-by-step explanation:
Answer:
180
Step-by-step explanation:
spr is one line and qp is another in a perpendicular position