<img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%20%2B%2081" id="TexFormula1" title=" {x}^{2} + 81" alt=" {x}^{2} + 8

luda_lava [24]

2 years ago

1" align="absmiddle" class="latex-formula">
how would you factor this

Mathematics

1 answer:

borishaifa [10]2 years ago

5 0

X to the power of two+81

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Elanso [62]

Answer:

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Step-by-step explanation:

because you gotta divide 349 by 8 to get ye height

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2 years ago

A wave has a maximum at 2 and a midline at y equals 0.5 what is the minimum?<br>answer<br>

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Answer:

-1

Step-by-step explanation:

The midline is the average of the maximum and minum.

0.5 = (y + 2) / 2

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3 years ago

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Step-by-step explanation:

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2 years ago

Sabendo que "K" satisfaz a equação {2(k-8) + 3(-k+1) = -4k +11} Os valores reais de x que satisfazem a equação 15x² - kx + 1 = 0

erastova [34]

Answer:

D) 1/5 e 1/3

Step-by-step explanation:

You have the following quadratic equation:

$15x^2-kx+1=0$ (1)

In order to find the values of x that are solution to the equation (1), you first find the solution for k in the following equation:

$2(k-8)+3(-k+1)=-4k+11\\\\2k-16-3k+3=-4k+11\\\\2k-3k+4k=11+16-3\\\\3k=24\\\\k=8$

Next, you replace the previous value of k in the equation (1) and you use the quadratic formula to find the roots:

$15x^2-8x+1=0\\\\x_{1,2}=\frac{-(-8)\pm \sqrt{(-8)^2-4(15)(1)}}{2(15)}\\\\x_{1,2}=\frac{8\pm 2}{30}\\\\x_1=\frac{1}{5}\\\\x_2=\frac{1}{3}$

Then, the roots of the equation (1) are

D) 1/5 e 1/3

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3 years ago

3 divided by 45 I need help I stink at division

kotykmax [81]

Answer:45 divided by 3 is 15

Step-by-step explanation:

6 0

2 years ago

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