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NemiM [27]
2 years ago
11

What is 4n + 3 ( n – 5 ) + 2 simplified? I suck At math sry

Mathematics
2 answers:
Tema [17]2 years ago
4 0

Answer:

7n−13

Step-by-step explanation:

4n+3(n−5)+2

4n+3n+3 \times (−5+2)

4n+3n−15+2

7n−15+27n-15+2

7n−13

<h3>Hope it is helpful....</h3>
kobusy [5.1K]2 years ago
3 0

Answer:

This is your answer of your question. If I'm so right so,

Please mark me as brainlist. thanks

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AVprozaik [17]
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2x^2 + 14x - 5x - 35 

Combine like terms....

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7 0
3 years ago
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Sorry again I feel bad :(
yaroslaw [1]

Answer:

Step-by-step explanation:

6×4

24 cubic meters

6 0
3 years ago
How many boxes? for some reason it isn't making since to me
amid [387]
First find the total area of the building.

44ft x 74ft = 3256ft^2

Next, since you have 24 tiles per box, each covering 1ft^2 of space, find the number of boxes you need to supply the minimum number of tiles needed to fill the area.

3256ft^2 ÷ 24 = 135.6 boxes

Since you are finding the minimum number of boxes to completely fill the given area, round up.

Answer = 136 boxes
4 0
3 years ago
WILL MARK BRAINLEST
MAXImum [283]

Answer:

What is factoring?

Factoring is finding what to multiply to find an expression. It is like splitting expression into a multiplication of simplified expression.

Why is it useful to try to factor out the GCF first when factoring?

Greatest common factor or GCF of two numbers is the largest number that divides evenly in both numbers, GCF works the same in polynomials, which divide the expression evenly .

Explain the relationship between factoring and multiplying polynomials. Give an example to help explain

Factoring take away the multiplication, to factorize a polynomial it means take apart what  is multiplied. the best example is a²+b²+2ab ( multiplied)

factorize :(a+b)(a+b)   take apart what is multiplied

Factor x^2-25, 3x^2-12x-15, and x^3+2x^2+3x+6

x²-25  =(x+5)(x-5)

3x²-12x-15 = 3(x²-4x-5)  GCF=3

3(x-5)(x+1)

x³+2x²+3x+6  (x+2) common factor

(x+2)(x²+3)

What are the key features needed to graph a polynomial function?

the key features are the vertex, axis of symmetry, x and y intercept

Explain how to find these key features to sketch a rough graph of a polynomial function

parabola : y=ax²+bx+c

ex: 3x²-12x-15

find vertex (h,k)

h=-b/2a =-(-12)/2(3)=2

k=f(h)=f(2)=3(2)²-12(2)-15

k=12-24-15=-27

vertex=(2,-27)

x intercept is when the graph =0 (y=0)

y intercept when x=0 then y= the constant c and where the graph cross the y axis

axis of symmetry is the x of the vertex: is a line about which a parabola is symmetrical and vertical when the axis of symmetric is vertical.

Why would someone want to factor a polynomial? Provide real world examples of different questions we can answer or facts we can determine from factoring a polynomial.

factor a polynomial helps us understand more about equations,factoring helps us rewrite the polynomial into simpler expression.

example from real life:

A homeowner has a back yard and wants to turn it to garden beds so he can plant his vegetables, he wants to fill it with dirt he needs 240 cubic feet to fill it  the length is 4 feet than the width , and the height is 4

solve:

length=W+4

height=1/3 w

V=length* width* height

240=(w+4)(w)(4)

351= 4w²+16w

4w²+16w-240=0

take 4 as common factor

4(w²+4w-60)

now factorize:

4(w-6)(w+10)=0

Step-by-step explanation:

PLEASE BRAINLIEST

4 0
2 years ago
Bill plans to buy school supplies and the following equation represents what he bought.
iren2701 [21]

Answer:

1. x = 8

2. y = 1/2

Step-by-step explanation:

1. Plug the function

5x + 20(0.50) = 50

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2. Plug in the function

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Subtract 40 on both sides

= 20y = 10

Divide 20 both sides

= y = 10/20 | 1/2

6 0
2 years ago
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