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Inessa05 [86]
3 years ago
10

Explain why their are no solutions to the system of inequalities y ≤2x-5 y ≥2x+1

Mathematics
1 answer:
rosijanka [135]3 years ago
7 0

Answer:

Sorry this is late and I think this is right.

They are both parallel, they have the same slope, and do <em>not </em>intersect. If you were to draw a slope out for it, you would find this to be true.

For example: Say the question called for you to explain why there aren't any solutions to these system of inequalities:

<em>y < - 1/2x -3</em>

<em>y > 1/2x + 2</em>

<em>y= -x/2 -3</em> and <em>y= -x/2 + 2 </em>have the same exact slope, are parallel, and never intersect. The first line is 5 units below the second line when x = 0. Because the lines are parallel, it is always below the second line. The solutions of y < - x/2 -3 are the points in the plane below the first line. The solutions of y > 1/2 + 2 are points above the second line.

I hope this helps you. Good luck on whatever you're working on and stay safe! Please let me know if this helped you or didn't.

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Sam read 60 pages, which is 3/4 of the book. How many pages are there in the book?
Elenna [48]

Divide the pages read by the portion read:

60/ 3/4 = 60 x 4/3 = 240/3 = 80

The book has 80 pages.

3 0
3 years ago
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Graph of a cubic polynomial that falls to the left and rises to the right with x intercepts negative 3, negative 2, and 2
Tasya [4]

Answer:

f(x) = x3 + 3x2 − 4x − 12

Step-by-step explanation:

A polynomial which falls tot he left and rises to the right is a function with a positive leading coefficient. Its formed by the x-intercepts or zeros x = -3, -2 and 2. The zeros form the factors (x+3)(x+2)(x-2). Multiply the factors using the distributive property to find the function in standard form.

(x+3)(x+2)(x-2)

(x^2 + 3x + 2x + 6)(x-2)

(x^2 + 5x + 6)(x-2)

x^3 + 5x^2 + 6x -2x^2 - 10x - 12

x^3 + 3x^2 - 4x - 12

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3 years ago
Three sides of a quadrilateral are equal lengths. The length of the fourth side is 5 inches.
Korvikt [17]

Answer:

A

Step-by-step explanation:

x + x + x + 5 = 26

3x + 5 = 26

5 0
2 years ago
Simplify.<br> 10 – 5.3 • (–4 + –6)<br> a. 63<br> b. 47<br> c. –43<br> d. –47
Ulleksa [173]
10-5.3*(-4+-6)
10-5.3*(-10)
10-(-53)=63
4 0
3 years ago
Bonnie deposits $70.00 into a new savings account. The account earns 45 % simple interest per year , s added or removed from the
nordsb [41]

Answer:

\$164.5

Step-by-step explanation:

Bonnie deposits $70.00 into a new savings account.

The account earns 45% simple interest per year.

She neither added or removed from the savings account for 3 years.

We know that,

i=\dfrac{P\cdot r\cdot r}{100}

here,

i = interest,

P = principal = $70,

r = rate of interest = 45%,

t = time = 3 years,

Putting the values,

i=\dfrac{70\cdot 45\cdot 3}{100}=\$94.5

So the total amount will be,

=\text{Principal}+\text{Interest}

=70+94.5

=\$164.5

6 0
3 years ago
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