Well, if you divide 140 by 18 you get the unit rate/price. $7.78 is the rounded total!
Answer:
The formula is generally represented equationally as ( y - Y1 ) = m( X - X1 ) so now let's substitute the points plotted on the graph.
it is equal to (y - 4) = m(x - 0)
and now we look for the slope
m = y2 - y1/ x2 - x1
which can be directly substituted according to every line connecting each x value to a certain y value.
The equation of a line that passes through the point (x1,y1) and has a slope of m is
y-y1=m(x-x1)
given
slope=5
and passes throught (-2,-1) is
-2=x1
-1=y1
y-(-1)=5(x-(-2))
y+1=5(x+2)
B is answer
Answer:
see the procedure
Step-by-step explanation:
Part 1) using proportion
we know that
Miguel needs 4 gallons of milk to make 12 milkshakes
so
Using proportion
Find out how much milk he needs to make 30 milkshakes
Let
x ----> gallons of milk needed

Miguel needs 10 gallons of milk to make 30 milkshakes
Part 2) we know that
A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form
or
This problem represent a proportional relationship
Let
x ----> the number of gallons of milk
y ----> the number of milkshakes
we know that
Miguel needs 4 gallons of milk to make 12 milkshakes
so
For x=4, y=12
Find out the constant of proportionality k

substitute the values

The linear equation is equal to
For y=30
substitute in the equation and solve for x
Divide by 3 both sides
