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Over [174]
3 years ago
5

Help please (3x^2 + 5x - 9) + (-3x + 4)

Mathematics
2 answers:
mixas84 [53]3 years ago
4 0

Answer:

3x^2 + 2x - 5

Step-by-step explanation:

can i have a brainlest plz

emmainna [20.7K]3 years ago
4 0

Answer:

(3x^2+5x-9-3x+4)

or, 3x^2+2x-5

or, 3x^2+(5-3)x-5

or, 3x^2-3x+5x-5

or, 3x(x-1)+5(x-1)

or, (x-1) (3x+5)

hope u get it

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-3 x - 5 = 36. What is X?
Black_prince [1.1K]

Answer:

x = -13,67

Step-by-step explanation:

-3x - 5 = 36

-3x = 36 + 5

-3x = 41

x = 41/-3

x = -13 2/3

or

x = -13,67

make as the brainliest

7 0
4 years ago
What is the CONSTANT in the expression 3k + 12?
levacccp [35]

Answer: 12

Step-by-step explanation:

5 0
3 years ago
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Write a matrix equation for the given systems of equations.
REY [17]

Answer:

<em></em>\left[\begin{array}{ccc}2&-6&2\\0&3&-2\\0&2&2\end{array}\right] \left[\begin{array}{ccc}x\\y\\z\end{array}\right]= \left[\begin{array}{ccc}1\\-5\\-3\end{array}\right]<em></em>

Step-by-step explanation:

Given system of equations are

2x-6y-2z = 1

3y - 2z = -5

2y + 2z = -3

given

2 x - 6 y - 2 z = 1

0 x + 3 y - 2z = -5

0 x +2y + 2 z = - 3

<em>The Matrix form of the given system of equations </em>

<em>A X = B</em>

<em></em>\left[\begin{array}{ccc}2&-6&2\\0&3&-2\\0&2&2\end{array}\right] \left[\begin{array}{ccc}x\\y\\z\end{array}\right]= \left[\begin{array}{ccc}1\\-5\\-3\end{array}\right]<em></em>

4 0
4 years ago
Simplify cubed 5 -10/27
MAXImum [283]

The correct answer for the given expression is 99.22.

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division

The expression will be solved as:-

E = ({5 -\dfrac{10}{27}})^3

E = (\dfrac{135-10}{27})^3

E =\dfrac{125}{27}^3

E = 99.22

Therefore the correct answer for the given expression is 99.22.

To know more about Expression follow

brainly.com/question/723406

#SPJ1

4 0
2 years ago
Mark is building a ramp with a
fredd [130]

Answer:

4.47 feet

Step-by-step explanation:

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3 years ago
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