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3 years ago

This is factoring polynomial ??

Mathematics

2 answers:

Lisa [10]3 years ago

8 0

Undistribute the 7n
7n(2n²+1+n) or
7n(2n²+n+1)
that's factored

lyudmila [28]3 years ago

6 0

Yes to solve this problem you need to factor it. I would start by factoring the N out first. Hope this helps!

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If the equation y² - (K-<br>2y + 2k +1 = 0<br>with equal roots find the value of k

777dan777 [17]

Answer:

y² - (K- 2)y + 2k +1 = 0

equal roots means D=0

D= b^2 - 4ac

a=1, b= (k-2), c= 2k+1

so,

(k-2)^2 - 4(1)(2k+1) = 0

=> k^2 +4 - 8k -4 = 0

=> k^2 -8k = 0

=> k^2 = 8k

=> k= 8k/k

=> k = 8

Therefore the answer is k= 8

Hope it helps........

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Answer:

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2 years ago

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A line passes through the point (–2, 7) and has a slope of –5.

ICE Princess25 [194]

Answer:

Step-by-step explanation:

Let's create an equation in point-slope form, which is: $y-y_1=m(x-x_1)$ , where $(x_1,y_1)$ is the point and m is the slope.

Here, our point is (-2, 7) and our slope is m = -5 so plug these in:

$y -7=-5*(x-(-2))$

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Now, if (a, 2) lies on this line, then it should satisfy the equation. So plug in a for x and 2 for y:

2 - 7 = -5(a + 2)

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Divide by -5:

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Subtract 2 from both sides:

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Thus, the answer is B.

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Ostrovityanka [42]

The complete question in the attached figure

we know that
1) <span>The triangles that are formed in the hexagon by joining all the vertices with the center of the hexagon are all equilateral and are equal in size
therefore
the radius of the circle is equals to the length side of the regular hexagon
FE=BP--------> FE=6 cm

the answer is
FE=6 cm </span>

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