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Sidana [21]
2 years ago
15

-y+31-5y-15 need help with this

Mathematics
2 answers:
Cerrena [4.2K]2 years ago
6 0
-6y+16 would be the answer

iogann1982 [59]2 years ago
4 0
-2 x (3y - 8) would be the answer

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I need help simpifying 5x-2/4-25x^2
Lyrx [107]

Answer:

−25x^2+5x−1/2

Step-by-step explanation:

5 0
3 years ago
Solve the quadratic equation (2x-3)^2 = 6(3-2x)
LenKa [72]

Answer:

x=\frac{3\sqrt{2}-3 }{2}

x=-\frac{3\sqrt{2}-3 }{2}

Step-by-step explanation:

Open the brackets first:

4x^2+9=18-12x

Simplify:

4x^2+12x-9=0

It is determined that this can't be factored, so rewrite the equation so you can complete the square.

x^2+3x=\frac{9}{4}

Take the square of 1.5 and add it to both sides:

x^2 + 3x+ \frac{9}{4} =\frac{9}4} +\frac{9}{4}

Factor:

(x+\frac{3}{2})^2=\frac{9}{2}

x+\frac{3}{2} = \frac{3\sqrt{2} }{2 }

or x+\frac{3}{2} =-\frac{3\sqrt{2} }{2}

So x=\frac{3\sqrt{2}-3 }{2}

or x=-\frac{3\sqrt{2}-3 }{2}

5 0
3 years ago
Why would paying an additional $100 every month, on top of the regular payment, towards one's car be beneficial?
OLga [1]
No picture of the question? Well if your asking me than it will be 554 and then plus 100 equals 654
3 0
3 years ago
Can u help me graph the line y=7
Phoenix [80]

Answer:

Put a dot on 7 on the y axis then draw a horizontal line through y=7

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
I need help plssss<br> -3(2x-11)_&gt;8x-9
Ilia_Sergeevich [38]

The Linear inequality holds true for 21 ≥ x;

What is Linear Inequality?

The mathematical expression with unequal sides is known as inequality in mathematics. Inequality is referred to in mathematics when a relationship results in a non-equal comparison between two expressions or two numbers. In this instance, any of the inequality symbols, such as greater than symbol (>), less than symbol (), greater than or equal to a symbol (), less than or equal to a symbol (), or not equal to a symbol (), is used in place of the equal sign "=" in the expression. Polynomial inequality, rational inequality, and absolute value inequality are the various types of inequalities that can exist in mathematics. The symbols "" and ">" signify tight inequalities, while "" and "" signify slack inequalities.

In the given question, the given inequality given is:

-3(2x-11) ≥ 8x-9;

Solving the Inequality:

⇒-6x + 33 ≥ 8x - 9;

⇒33 + 9 ≥ 8x - 6x;

⇒ 42 ≥ 2x;

⇒ 21 ≥ x;

Hence,

The Linear inequality holds true for 21 ≥ x;

To learn more about Linear Inequality, visit:

brainly.com/question/24372553

#SPJ1

4 0
11 months ago
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