Mrs. sisneros bought 3 yards of ribbon for 1.50.how much would 5 yards of the same ribbon cost?

$30

Step-by-step explanation:

Divide 5 from 1.50 and get $30

Step-by-step explanation: ok so first you need to divide 1.50 by 3 to get the unit cost of a yard of ribbon. The answer is .75. Then you must multiply .75 by 5 to get 3.75 to find the cost of 5 ribbons

(0,-3) see attached graph

step-by-step explanation:

a. to solve the system, graph the two equations.

x = y+3 becomes y=x-3 has m=1/1 and b=-3. start at (0,-3) on the y-axis and plot a point. then move up 1 unit and 1 unit to the right. plot a point and connect.

y=-4x+3 has m =-4/1 and b=-3. start at (0,-3) on the y-axis and plot a point. then move down four units and to the right 1 unit. plot a point and connect.

the solution is the point (x,y) where the two lines intersect. by the graph below it is (0,-3).

b. to solve by substitution, substitute y = -4x-3 into x= y+3

x= (-4x-3) +3

x=-4x

5x=0

x=0

now substitute x = 0 back in to find y.

y= -4(0)-3

y=0-3

y=-3

solution is (0,-3)

c. use elimination by adding the equations together.

x-y=3

4x+y=-3

5x=0

x=0

then substitute into one equation to find y.

y=-4(0)-3

y=-3

f(x)=2/3x-8, which give g(x) the greatest value.

step-by-step explanation: