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tangare [24]
3 years ago
15

(5x 4 – 3x 3 + 6x) – ( 3x 3 + 11x 2 – 8x)

Mathematics
2 answers:
poizon [28]3 years ago
7 0
14x - 20 <------------------ answer.
Hope this helps!
BaLLatris [955]3 years ago
6 0
5x⁴ - 3x³ + 6x) - (3x³ + 11x² - 8x)<span>

</span>Expand the second bracket by multiplying throughout by -1
5x⁴ - 3x³ + 6x - <span>3x³ - 11x² + 8x
</span>
Group like terms and simplify 
5x⁴ - 3x³ - 3x³ - 11x² + 6x <span>+ 8x

</span>5x⁴ - 6x³ - <span>11x² + 14x</span>
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WILL GIVE BRAINLIEST RATING AND THANKS!!
kakasveta [241]

The data is equally spaced in x so let's start by taking first differences.


4-9 = -5

-1-4 = -5

-6 - -1 = -5

-11 - -6 = -5


Hmmm. I detect a pattern. That tells us we have a line and the slope is -5.


We read off the y intercept from x=0 as -1.


So our equation in slope intercept form is


y = -5 x - 1


or as a function


f(x) = -5x -1


4 0
3 years ago
This is B now please help...???
Slav-nsk [51]
Your answer for this is C
4 0
3 years ago
The area of a rectangle is 48x®y7
Jlenok [28]

Answer:

D

Step-by-step explanation:

Remember, area equals width x height so you can set up this equation.

48x^8y^7=6x^2y^4 * w

Solving for w,

\frac{48x^8y^7}{6x^2y^4} =w

Simplifying,

8x^6y^3

Thus, D is the answer

7 0
3 years ago
What is the slope of a line that is perpendicular to 8x+4y=2
il63 [147K]

Answer:

\frac{1}{2}  = m

Step-by-step explanation:

8x + 4y = 2

-8x - 8x

____________

4y = -8x + 2

__ _______

4 4

y = -2x + ½

↑

rate of change [slope]

* Perpendicular Lines have OPPOSITE MULTIPLICATIVE INVERSE <em>RATE</em><em> </em><em>OF</em><em> </em><em>CHANGES</em><em> </em>[<em>SLOPES</em>]:

-2 → ½

I am joyous to assist you anytime.

4 0
3 years ago
Solve the equation using the method that seems appropriate.
Lera25 [3.4K]
The answer is x=-5.5 . 2x-3 = 4x+8 . subtract 2x from both sides and then subtract 8 from both sides and get -11=2x . then divide both sides by 2 to get . -5.5=x
8 0
3 years ago
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