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WITCHER [35]
3 years ago
11

Which system of linear inequalities is graphed?

Mathematics
2 answers:
mixer [17]3 years ago
7 0
The third one....,..............................
mojhsa [17]3 years ago
7 0

We will proceed to graph each case to determine the solution of the problem.

using a graphing tool

<u>case A</u>

x\leq -2

y\leq-x-3

see the attached figure N 1        

The system A is not the graphed one

<u>case B.</u>

x < -3

y < -x-2  

see the attached figure N 2        

The system B is not the graphed one      

<u>case C.</u>

x < -2

y\leq-x+2    

see the attached figure N 3                  

The system C is not the graphed one            

<u>case D.</u>

x < -2

y\leq-x-2    

see the attached figure N 4                  

The system D is the graphed one            

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A bag contains marbles: 5 red, 2 blue, and 1 green. You pick a marble and then another one without replacement. What is the prob
max2010maxim [7]

hi

1st draw: green

2/12. (2 green out of 12 marbles), reduces to 1/6

2nd draw: blue

4/11 (4 blue marbles out of the 11 marbles remaining after 1st draw.)

Probability of theses BOTH happening: multiply these individual probabilities.

Conditional probability:

P(a and b) = P(a)P(b|a)

Prob(event 1) × Prob(event 2 given event 1).

1/6 • 4/11 = 4/66 = 2/33 or 0.0606. just a hair over 6% probability of the described sequence hapening.

5 0
3 years ago
The supplement of an angle is 5 times its complement.What is the measure of the angle?
Lostsunrise [7]
Let the angle be x and its complement be y and its supplement be z
Then A/Q
x +y = 90°
x = 90° - y -----(¡)
And x+z = 180°
From ques. z = 5y
Then x + z = 180°
x + 5y = 180°
From (¡) 90 - y +5y = 180
90-4y = 180
y = 90/4 = 22.5°
x = 90- 22.5
= 67.5
4 0
4 years ago
A hand held digital music player was marked down by 1/4 of the original price if sales price is 128.00 what is the original pric
natita [175]
128/3 = 42.666667
so that's how much the mark down was, then you add that to the mark downed price
128.00 + 42.666667 = 170.66667
round to 170.67
convert to currency
$170.67 is the original price
7 0
4 years ago
SOMEONE PLEASE HELP MEEEEE
natka813 [3]

Answer:

Area = 23.12 cm²

perimeter = 24.28 cm

Step-by-step explanation:

top shaded region is circular arc with 90° sector angle

so perimeter of arc is 90 / 360 * 2πr

here radius of arc is half the length of square side

r = 6.8/2 = 3.4

top area shaded perimeter = 90/360 * 2 * 3.14 * 3.4

= 1/4 * 2 * 3.14 * 3.4

= 5.338

bottom region perimeter is also same

total perimeter of shaded region is = side + side + two arcs

= 6.8 + 6.8 + 2 * 5.338

= 13.6 + 10.676

= 24.276

= 24.28

Area of top shaded region is 90/360 * πr²

A = 1/4 * 3.14 * 3.4²

= 9.0746

bottom shaded region area is half of area of square - area of bottom arc

= 6.8 * 3.4  - 9.0746

= 23.12 - 9.0746

= 14.0454

so total area of shaded region is 9.0746 + 14.0454

= 23.12

or you can just calculate area as half of area of total square = 6.8² / 2

= 23.12

8 0
3 years ago
Which of the following are measurements for triangles that are similar to a triangle with sides measuring 6, 8, and 12? Check al
kirza4 [7]
For two triangles to be similar the sides need to have the same ratio.

A and C are the correct answers.
7 0
3 years ago
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