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OLEGan [10]
3 years ago
9

Match each polynomial expression with its simplification.

Mathematics
1 answer:
Ann [662]3 years ago
4 0
(3x + 2x -2) + (4x - 2x + 8) = 7x + 6

(2x + 5) + ( 7x - 10) + (3x - 4) + (4x -6) = 16x - 15

(4 + 2x3) + (5x3 + 2) = 27

(6x2 + 3x - 8) + ( 2x2 - 5x - 9) = 8x2 - 2x - 17

(4x2 - 9x3 + 2x4) + (8x4 - 3) + (5x3 - 7x2) = 19

(3 - 4x3 +6x4) + (2x4 + 5) + (9x3 - 8x2) = 39

(9x + 7y4) + (5x + 3x2 - 7y4) = 3x2 + 14x

<span>(9x2 - 5y - 12) + (8 - 9x2 + 5y + 4) = 0</span>
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Solve the inequality.
irinina [24]

Answer:   Be Te Dubs meaning BTW Go To TigerAlgebra.com for questions like yours its really great


Step-by-step explanation:

|3x+6|<12

One solution was found :

                     -6 < x < 2

Absolute Value Inequality entered :

     |3x+6|<12


Step by step solution :

Step  1  :

Rearrange this Absolute Value Inequality

Absolute value inequalitiy entered

     |3x+6| < 12


Step  2  :

Clear the Absolute Value Bars

Clear the absolute-value bars by splitting the equation into its two cases, one for the Positive case and the other for the Negative case.


The Absolute Value term is |3x+6|


For the Negative case we'll use -(3x+6)


For the Positive case we'll use (3x+6)



Step  3  :

Solve the Negative Case

     -(3x+6) < 12


    Multiply

     -3x-6 < 12


    Rearrange and Add up

     -3x < 18


    Divide both sides by 3

     -x < 6


    Multiply both sides by (-1)

    Remember to flip the inequality sign

     x > -6

    Which is the solution for the Negative Case


Step  4  :

Solve the Positive Case

     (3x+6) < 12


    Rearrange and Add up

     3x < 6


    Divide both sides by 3

     x < 2


    Which is the solution for the Positive Case


Step  5  :

Wrap up the solution

   -6 < x < 2


Solution in Interval Notation

   (-6,2)


Solution on the Number Line

 

One solution was found :

                     -6 < x < 2

5 0
3 years ago
Read 2 more answers
When the sum of the internal angles of a polygon is 10 right angles, then  how many sides does it have? ​
Varvara68 [4.7K]

Answer:

7

Step-by-step explanation:

Let's say our sum is s.

s = 10 right angles

a right angle is 90 degrees

s = 10 (90)

s= 900

Given the amount of sides in a polygon (n), the sum of the interior angles is equal to

(n-2) * 180

Therefore, the sum of the interior angles is equal to

(n-2) * 180 = 900

divide both sides by 180 to help isolate n

n-2 = 5

add 2 to both sides to isolate n

n = 7

3 0
3 years ago
What is the equation of this line in slope-intercept form?
3241004551 [841]
Y=3x+2 is in slope intercept form. If you have a graph to go with this problem, if this equation is correct there should be points on (0,2) and (1,3)
6 0
3 years ago
Read 2 more answers
One spool contains ​ 4 2/3 ​ yards of twine. A second spool contains 11 feet of twine.
frez [133]

Answer: The correct answer is option (C); 25 feet

Step-by-step explanation: The standard of conversion between feet and yards is given as;

3 feet = 1 yard.

In other words, in every yard you will find times 3 feet. So in a spool of twine that contains four and two-thirds (4 2/3) yards of twine, conversion to feet would be given as;

X feet = (4 2/3) x 3

X feet = (14/3) x 3

X feet = 14

For the second spool the measurement is 11 feet of twine, so the total measurement would be derived as,

Spool 1 + Spool 2 = Total

14 + 11 = Total

25 = Total

Hence, the total measurement of twine would be 25 ft.

8 0
4 years ago
What are the two binomial factors for x2 – 25?
Viktor [21]

Answer:

x^2 -25 = (x-5)(x+5)

Any expression of the form a^2 - b^2 = (a-b)(a+b)

3 0
3 years ago
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