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Vitek1552 [10]
2 years ago
11

Graph the system of inequalities presented here on your own paper; then use your graph to answer the following questions:

Mathematics
1 answer:
slamgirl [31]2 years ago
3 0

It is to be noted that the Graph of the indicated inequalities is herewith attached.

<h3>What is the graph of the system?</h3>

As indicated above, this is a graph of a system of inequalities, where:

Y > -4x-1 and

y <3/2x-1

<h3>Is the point (-1,1) included in the solution area for the system? </h3>

No. the point (-1, 1) is not included in the solution area for the system.

<h3>

How do we justify this mathematically?</h3>

Step 1 - Plug in (-1, 1) in to the first equation. where y = -1 and x = 1.

Hence,

-1 > -4(1) -1

4 +1 < -1

4 < 0 (This is False)

Step 2  - Plug in (-1, 1) in to the second equation. where y = -1 and x = 1.

-1 < (3/2)(1) - 1

-1 < 1/2 (This is true).

Thus (-1, 1) is only partially included in the solution area.)

Learn more about inequalities at:
brainly.com/question/9774970
#SPJ1

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Which value of x would make TV || OS?<br> 3<br> 8<br> 10<br> 11
garik1379 [7]

Answer:

For x = 10, the lines will be parallel

Step-by-step explanation:

<em><u>For parallel lines in a triangle, their sides must be proportional</u></em>

And,

\frac{x+4}{x-3} = \frac{x+10}{x}

<em>Cross Multiplying</em>

=> x(x+4) = (x-3)(x+10)

=> x^2+4x = x^2+7x-30

=> x^2-x^2+7x-4x = 30\\

=> 3x = 30

<em>Dividing both sides by 3</em>

=> x = 10

6 0
4 years ago
In the figure, AB is tangent to circle C. Find the length of DB.​
Andreyy89

Answer:

8.5

Step-by-step explanation:

First we need to get BC using the pythagoras theorem

BC² = AC² + AB²

BC² = 8² + 15²

BC² = 64+225

BC² = 289

BC = √289

BC = 17

DB = 1/2BC

DB = 1/2 * 17

DB = 8.5

Hence the length of DB is 8.5

6 0
3 years ago
Which is the completely factored form of 3xsquared<br> -12x-15?
tekilochka [14]

Answer:

3(x - 5)(x + 1).

Step-by-step explanation:

3x^2 - 12x - 15

Dividing through by 3:

= 3(x^2 - 4x - 5)

We need 2 numbers whose sum is -4 and whose product = -5. That is -5 and +1 , so the factors are:

3(x - 5)(x + 1).

7 0
3 years ago
HELPPPPP!!!!!!!!!!!! will mark brainliest!! :D
allsm [11]

Solving the equation we get:

1\frac{4}{9}-\frac{3}{4}=\frac{52}{\textbf{36}}-\frac{27}{\textbf{36}}=\frac{\textbf{25}}{\textbf{36}}

Step-by-step explanation:

We need to solve the equation: 1\frac{4}{9}-\frac{3}{4}

Solving:

1\frac{4}{9}-\frac{3}{4}

\frac{13}{9}-\frac{3}{4}

Taking LCM of 9 and 4 we get 36

\frac{13*4}{36}-\frac{3*9}{36}

\frac{52}{36}-\frac{27}{36}

\frac{52-27}{36}

\frac{25}{36}

So, solving the equation  1\frac{4}{9}-\frac{3}{4} we get \frac{25}{36}

In the first blank, in denominators we get 36 and in the second black we get \frac{25}{36}

So, answer is:

1\frac{4}{9}-\frac{3}{4}=\frac{52}{\textbf{36}}-\frac{27}{\textbf{36}}=\frac{\textbf{25}}{\textbf{36}}

Keywords: Solving Fractions

Learn more about Solving Fractions at:

  • brainly.com/question/2456302
  • brainly.com/question/4390083
  • brainly.com/question/2456302

#learnwithBrainly

3 0
3 years ago
Solve the following equation. 2(x+2)−4x=8 Question 1 options: x=−2 x=3 x=−3 x=1
Tanya [424]

Step-by-step explanation:

2(x + 2) - 4x = 8

2x + 4 - 4x = 8

2x - 4x = 8 - 4

-2x = 4

x = 4/-2

x = -2

Option → A

7 0
3 years ago
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