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Orlov [11]
3 years ago
10

What is the difference of the polynomials?

Mathematics
2 answers:
Olenka [21]3 years ago
8 0
(5x³ + 4x²) - (6x² - 2x - 9)

-1(6x²) -1(-2x) -1(-9) = -6x² + 2x + 9

5x³ + 4x² - 6x² + 2x + 9

5x³ - 2x² + 2x + 9  Choice D.


Brilliant_brown [7]3 years ago
8 0
If you would like to solve <span>(5x^3 + 4x^2) - (6x^2 - 2x - 9), you can do this using the following steps:

</span>(5x^3 + 4x^2) - (6x^2 - 2x - 9) = <span>5x^3 + 4x^2 - 6x^2 + 2x + 9 = 5x^3 - 2x^2 + 2x + 9
</span>
The correct result would be <span>D. 5x^3 – 2x^2 + 2x + 9.</span>
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Find the value of X in X-X³=17​
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Answer:

Step-by-step explanation:

Step1: find the interval of roots. Consider -3 and -2

f(-3) = -7

f(-2) = 18 >0

Hence, the root must be on [-3,-2]

Step2:  consider the middle point -2.5

f(-2.5) = 3.875 >0

Then, the root must be on [-3, -2.5]

Step 3: Repeat step 2 by finding the value of f at the middle point -2.75

f(-2.75) = -1.0468

Step 3: Repeat step 2 by finding the value of f at the middle point of the interval [-2.75,-2.5] which is -2.625

f(-2.625) = 1.537 >0

Step4: Repeat step 2 on [-2.75, -2.625]

Repeat step 2 until you got the root which is -2.701

5 0
3 years ago
(6,5), 7x-3y=5 find the equation of the line that contains the given point and is parallel to the line. write the equation in sl
SVEN [57.7K]

Answer:

y = (7/3)x - 9

Step-by-step explanation:

1. Convert given equation to y=mx+b form --> y = (7/3)x - 5/3

2. Equation of new line --> y = (7/3)x + b

  • Note: 7/3 is the slope and for lines to be parallel they need the same slope so both equations have 7/3.

3. Plug in given values --> 5 = (7/3)(6) + b

4. Solve for b --> b = 5 - 14    b = -9

5. New line --> y = (7/3)x - 9

7 0
2 years ago
What is 5x/3 = 80/12 solve for x
Over [174]
X=4

explanation:
-reduce the fraction
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8 0
3 years ago
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Tonya wants to estimate what proportion of the students in her dormitory like the dorm food. She interviews a simple random samp
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Answer:

Step-by-step explanation:

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2 years ago
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