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viktelen [127]
3 years ago
8

6(4.5x-12)=9 A. X= 0.6 B. x = 28 C. x= 3 D. x= 3.3

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
3 0

Answer:

Step-by-step explanation:

27x - 72 = 9

27x = 81

x = 3

answer is C

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Divide -3x^3-2x^2-x-2 by x-2
Rasek [7]

Let's do this by Briot-Ruffini


First: Find the monomial root


x - 2 = 0

x = 2


Second: Allign this root with all the other coeficients from equation

Equation = -3x³ - 2x² - x - 2

Coeficients = -3, -2, -1, -2

2 | -3 -2 -1 -2


Copy the first coeficient


2 | -3 -2 -1 -2

-3


Multiply him by the root and sum with the next coeficient


2.(-3) = -6

-6 + (-2) = -8


2 | -3 -2 -1 -2

-3 -8


Do the same


2.(-8) = -16

-16 + (-1) = -17


2 | -3 -2 -1 -2

-3 -8 -17


The same,


2.(-17) = -34

-34 + (-2) = -36


2 | -3 -2 -1 -2

-3 -8 -17 -36


Now you just need to put the "x" after all these numbers with one exponent less, see


2 | -3x³ - 2x² - 1x - 2

-3x² - 8x - 17 -36


You may be asking what exponent -36 should be, and I say:


None or the monomial. He's like the rest of this division, so you can say:


(-3x³ - 2x² - x - 2)/(x - 2) = -3x² - 8x - 17 with rest -36 or you can say:

(-3x³ - 2x² - x - 2)/(x - 2) = -3x² - 8x - 17 - 36/(x - 2)


Just divide the rest by the monomial.

5 0
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Find the solutions of the inequality. Show your work.<br><br> 4b – 3 &gt; –1
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So we have to find b we are going to try to isosiate b 
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PLEASE ANSWER FAST AND CORRECTLY, WORTH 74 POINTS!!!! An architect built a scale model of a sports stadium using a scale in whic
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It is 12 inches long
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Tell why sometimes you write the percent as a fraction and other times as a decimal when you find the percent of a number.
Marysya12 [62]
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Sorry for the long explanation but I hope this helped! 
6 0
3 years ago
Is it true that the 6 in 26.495 is 10 times the value of the 6 in 17.64
Andreyy89
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8 0
3 years ago
Read 2 more answers
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