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julia-pushkina [17]
4 years ago
13

SOMEONE PLEASE HELP, ILL GIVE WHATEVER YOU WANT!!!The coordinate plane below represents a community. Points A through F are hous

es in the community. graph of coordinate plane. Point A is at 1, 3. Point B is at 3, 1. Point C is at 3, negative 3. Point D is at negative 4, 2. Point E is at negative 1, 5. Point F is at negative 3, negative 3. Part A: Using the graph above, create a system of inequalities that only contains points A and B in the overlapping shaded regions. Explain how the lines will be graphed and shaded on the coordinate grid above. (5 points) Part B: Explain how to verify that the points A and B are solutions to the system of inequalities created in Part A. (3 points) Part C: Billy wants to live in the area defined by y < 3x − 6. Explain how you can identify the houses in which Billy is interested in living. (2 points)
Mathematics
1 answer:
Nady [450]4 years ago
7 0
For part a,y < x y > -2xPoint B: (3,1) plugin x=3, y=1 y < x 1 < 3which is true, so point B satisfies the first inequalityYou can graph the inequality y > 2x+5 and see which schools are in the shaded region
"~*AB84*~"
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A game involves rolling a number cube. You get one point if you roll an even number and negative one point if you roll an odd nu
Burka [1]

Answer: The sample space is {1, 2, 3, 4, 5, 6}.

The expected value for the game is 0.

The game is fair because the expected value is equal to 0.


Step-by-step explanation:

For rolling a dice the sample space = {1, 2, 3, 4, 5, 6}

As there are equal number of odd numbers as well as even numbers and we get one point if we roll an even number and negative one point if you roll an odd number, therefore, the expected value = 0

Therefore, the game is fair because the expected value is equal to 0.

7 0
3 years ago
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The sum of a number and twice another number is 17. The sum of twice the first number and the second number is 4. What are the t
zhannawk [14.2K]

Step-by-step explanation:

Given that,

a + 2b = 17

Also,

2a + b = 4

By adding the above expressions we get,

a + 2b + 2a + b = 17 + 4

3a + 3b = 21.

3 (a + b) = 21

a + b = 21/3

a + b = 7 Let us take 'b' = 10

a + 10 = 7

a = 7 - 10

a = -3

Now let's check by verifying by putting a = -3 and b = 10 in the previous expressions

a + 2b = 17

-3 + (2 × 10) = 17

-3 + 20 = 17

17 = 17

2a + b = 4

(2 × -3) + 10 = 4

-6 + 10 = 4

4 = 4

Therefore, a = -3 and b = 10 [(-3,10)] is the solution.

8 0
3 years ago
Two glasses contain orange juice.
EastWind [94]

Step-by-step explanation:

Amount of orange juice in 400ml glass

= 400ml * (40%/100%) = 160ml.

Amount of orange juice in 300ml glass

= 300ml * (1/2) = 150ml.

Since 150ml < 160ml, the 300ml glass contains less orange juice.

8 0
3 years ago
Can you help please!!!
Makovka662 [10]

Answer:

13 inches

Step-by-step explanation:

legs are 5 inch and 12 inch

we have to find hypotenuse

use formula

a^2 + b^2 =c^2

here a and b are legs of a triangle and hypotenuse is c so,

5^2 + 12^2 =c^2

25 + 144 =c^2

169 =c^2

\sqrt{169} =c

13 =c

therefore hypotenuse is 13 inches.

8 0
3 years ago
Suppose a and b give the population of two states where a&gt;b . Compare the expressions and tell which of the given pair is gre
qaws [65]
B/a+b x 0.5 is 11/g+a so The pair is greater
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3 years ago
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