Answer:
The proportionality constant is 2/5
Step-by-step explanation:
Here, we want to get the proportionality constant
Let us view the two points as being points on a line
The constant of proportionality will be the slope of the line that connects the two points
Mathematically, we can use the formula for the slope of a line
We have this as;
m = (y2-y1)/(x2-x1)
(x1,y1) = (20,8)
(x2,y2)= (25,10)
m = (10-8)/(25-20) = 2/5
Your answer would be c please mark brainly I need one more for next rank
Coefficients are the numbers that are next to a variable(a letter in an expression). Therefore the coefficients would be 7 and 18 because they are both next to a variable (y and x).
I can’t exactly remember what a constant is but I think it is a number alone (not next to any variables) and they are ONLY separated by + and - not multiplication or division. In this case it would be all of the numbers that are in between the + or - (all of them.)
I also think a constant could be the variable next to the coefficient. Which would be y and x (next to 7 and 18).
I’m am so sorry I can’t remember what a constant is but I hope the coefficient helps:)
If 3c+4d=2 then c=(2-4d)/3
And if you put that into the other equation
Then you multiply everything by 3, getting
And then
Leaving
I dont have a calc with me right now but you just pot this into the calculator:
And when you get the number you insert it into the nest eqation to get c
So basically
Answer:
2-31.2
Step-by-step explanation:
2=7 X 8 X 12 X 3 X 6/5=31.2
