Can someone help me please
Answers
[tex]y> \frac{1}{3}x[/tex] and y≤ -x +4 .
step-by-step explanation:
we are given a graph for system of inequalities.
in order to write the system of inequalities for the given graph, we need to find the inequality for each of the line separately.
let us find the slope of dotted line first.
taking two coordinates on the graph.
let us say (0,0) and (3,1).
let us find the slope of the line now.
slope of the dotted line would be =[tex]\frac{1-0}{3-0} = \frac{1}{3}[/tex].
y-intercept of dotted line is y=0 only.
plugging slope m= [tex]\frac{1}{3}[/tex] and b=0 in slope-intercept form y=mx+b, we get
[tex]y=\frac{1}{3}x[/tex].
the line is shaded up of that dotted line.
therefore, for shading up we would take greater than inequality symbol > .
and because it's a dotted line we would take only > symbol in place of = sign in above equation of line.
therefore, inequality for dotted line would be
[tex]y> \frac{1}{3}x[/tex].let us take two points (3,1) and (0,4) on the solid line.
slope of the solid line would be =[tex]\frac{4-1}{0-3} = \frac{3}{-3}=-1[/tex].
for the solid line we have y-intercept b= 4.
plugging slope m= -1 and b=4 in slope-intercept form y=mx+b, we get
y = -1x + 4.
the line is shaded down of that solid line.
therefore, for shading down we would take less than inequality symbol < .
and because it's a solid line we would take ≤ symbol in place of = sign in above equation of line.
therefore, inequality for solid line would be
y≤ -x +4 .[tex]Write a system of inequalities to represent the shaded portion of the graph.[/tex]
10 you would take 50/ .2
step-by-step explanation:
1. sometimes
2. never
3 .08c = 7.50+.05c 250 pages
step-by-step explanation:
1. sometimes
the theoretical probability of rolling a 1 is 1/6. perhaps you got really lucky and never rolled a 1 in those 60 times. your experimental probability is 0. or perhaps you rolled a 1 20 times. your experimental probability is 20/60 is 1/3. it really just depends on how you rolled in that experiment.
2. never
the probability of the event occurring is 1. that is being 100 % sure it will happen. that is the maximum amount of confidence we have.
3. no customer card cost: .08 times number of pages
customer card cost: 7.50 + .05 times number of pages
we want to find when it costs the same amount, so we will set these equal
let c = number of pages
.08c = 7.50+.05c
subtract .05c from each side
.08c-.05c = 7.5+.05c-.05c
.03c=7.5
divide each side by .03
.03c/.03 = 7.5/03
c =250
the cost is the same at 250 pages
4, -4 is the other point it would pass through