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galben [10]
2 years ago
9

Can anyone help me out please

Mathematics
1 answer:
Brilliant_brown [7]2 years ago
7 0

Answer:

Option (3)

Step-by-step explanation:

We have to divide polynomial given as (x³ - 21x² + 147x - 343) by (x - 7) by synthetic division.

7 | 1     -21     147      -343

  <u> ↓       7     -98        343 </u>

    1     -14      49          0

Therefore, quotient is (x² - 14x + 49) and the remainder will be 0.

Option (3) will be the answer.

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What is the relationship between the lines determined by the following two equations?
oksano4ka [1.4K]

Answer:

C. They are the same line.

Step-by-step explanation:

In order to compare the linear equations given, they need to be in the same form.  The best form in order to evaluate slope and y-intercept is slope-intercept form, y = mx + b.  Since the second equation is already in slope-intercept form, we need to use inverse operations to convert the first equation:

6x - 2y = 16 ----  6x - 2y - 6x = 16 - 6x ----  -2y = -6x + 16

-2y/-2 = -6x/-2 + 16/-2

y = 3x - 8

Since both equations are in the form y = 3x - 8, then they are both the same line.

4 0
3 years ago
Simplify.<br> 7x +84/(x + 12)(x+10)
Tasya [4]

Answer:

{7x^2+168x+840}/{x+12}

Step-by-step explanation:

3 0
2 years ago
Expand 4x(7x-11)<br>expand 3x(7-5x)<br>Can someone help me with tge questions above?
melamori03 [73]
<span>(    7 x    -    11    )

<span>(   7   -   5x   )</span></span>
4 0
3 years ago
Read 2 more answers
Factor x2+4x+3.
Alexxx [7]

Answer:

c. (x +3)(x + 1)

Step-by-step explanation:

Factoring an equation is a way of expressing an equation as the product of other linear expressions. The following expression,

x^2 +4x +3

Can be represented as the product of the following,

(x+3)(x+1)

To check this, one can distribute, one of the expressions over the other, then simplify, the result should be the starting expression,

(x+3)(x+1)\\

Distribute,

(x)(x)+(1)(x)+(3)(x)+(3)(1)

Simplify,

x^2 +x +3x + 3\\

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8 0
3 years ago
How do I find value of X
pashok25 [27]

Answer:

147°

Step-by-step explanation:

106°+139°+126°+141°+112°+129°+x =900°

753°+x = 900°

x = 900°-753°

x=  147° (sum of the interior angles of a heptagon=900°)

4 0
3 years ago
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