Jenny finds from a survey that about 20% of the students at her school do homework on Friday nights. If there are 567 students at the school, which is the closest to the number of students who do homework on Friday nights? 110 students 110 students 130 students 130 students 150 students 150 students 170 students

The answer is 110 Students

Step-by-step explanation:

You can find this out by multiplying 567 by .20, after you do this you will achieve an answer of 113.4 which is closet to 110.

(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

the volume is the product of the area of the base, 3x(3x+4), and the height, 3x-1

step-by-step explanation: