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2 years ago

BRAINLIESTTT ASAP!!!!!!!!!

Mathematics

1 answer:

Tju [1.3M]2 years ago

6 0

Find where the blue and red lines touch
the answer would be -3.5 and -0.5

the first choice is the correct one

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I need this for my notes so i can know what to do. What is the length of AC? And Length of AB?

andre [41]

Answer:

AC 5

AB = 3

Step-by-step explanation:

AC = distance between the points

C-A = 3 - -2 = 3+2 = 5

The distance is 5

AB = distance between the points

B-A = 1 - -2 = 1+2 = 3

The distance is 3

8 0

2 years ago

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PLEASE HELP! ASAP Find the Slope of the line<br> Slope = ?/?

Hoochie [10]

Answer:

The slope of the line is 1/2

4 0

2 years ago

Add the complex numbers. <br> (-2-4i)+(-12+7i) = ??

lions [1.4K]

Question:

(-2 - 4i) + (-12 + 7i)

= -14 + 3i

6 0

2 years ago

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Express the function as the sum of a power series by first using partial fractions. f(x) = 8 x2 − 4x − 12 f(x) = ∞ n = 0 find th

alexandr1967 [171]

I'm guessing the function is

$f(x)=\dfrac8{x^2-4x-12}=\dfrac8{(x-6)(x+2)}$

which, split into partial fractions, is equivalent to

$\dfrac1{x-6}-\dfrac1{x+2}$

Recall that for $|x|$ we have

$\dfrac1{1-x}=\displaystyle\sum_{n=0}^\infty x^n$

With some rearranging, we find

$\dfrac1{x-6}=-\dfrac16\dfrac1{1-\frac x6}=\displaystyle-\frac16\sum_{n=0}^\infty\left(\frac x6\right)^n$

valid for $\left|\dfrac x6\right|$ , or $|x|$ , and

$\dfrac1{x+2}=\dfrac12\dfrac1{1-\left(-\frac x2\right)}=\displaystyle\frac12\sum_{n=0}^\infty\left(-\frac x2\right)^n$

valid for $\left|-\dfrac x2\right|$ , or $|x|$ .

So we have

$f(x)=\displaystyle-\frac16\sum_{n=0}^\infty\left(\frac x6\right)^n-\frac12\sum_{n=0}^\infty\left(-\frac x2\right)^n$

$f(x)=\displaystyle-\sum_{n=0}^\infty\left(\frac{x^n}{6^{n+1}}+\frac{(-x)^n}{2^{n+1}}\right)$

$f(x)=\displaystyle-\sum_{n=0}^\infty\frac{1+3(-3)^n}{6^{n+1}}x^n$

Taken together, the power series for $f(x)$ can only converge for $|x|$ , or $-2$ .

6 0

2 years ago

What 2-demensional has 8 angles

insens350 [35]

He can draw a octagon that is the only shape that I can think of that has 8 angles

7 0

2 years ago

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