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3 years ago

Factor the expression over the complex numbers. x^2 + 72

Mathematics

1 answer:

Ivan3 years ago

7 0

No solution simply because the expression cannot be solved with rational numbers

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Easy Math! Please give an explanation also if you can :)

Alborosie

i don't know people are rude lol I tried at least

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3 years ago

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What is the greatest common factor of 9 and 14?

Morgarella [4.7K]

Answer:1

Step-by-step explanation:

"Greatest Common Factor of 9 and 14. Greatest common factor (GCF) of 9 and 14 is 1."

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3 years ago

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Find the angles between -pi and pi that satisfy: (−√3) sin(v)+cos(v)=√3

MAXImum [283]

Observe that

$\sin\left(\dfrac\pi6-v\right)=\sin\dfrac\pi6\cos v-\cos\dfrac\pi6\sin v=\dfrac12\cos v-\dfrac{\sqrt3}2\sin v$

In the original equation, divide both sides by $\dfrac12$ :

$-\sqrt3\sin v+\cos v=\sqrt3\implies\dfrac12\cos v-\dfrac{\sqrt3}2\sin v=\dfrac{\sqrt3}2$

$\implies\sin\left(\dfrac\pi6-v\right)=\dfrac{\sqrt3}2$

Next,

$\sin x=\dfrac{\sqrt3}2\implies x=\dfrac\pi3+2n\pi,x=\dfrac{2\pi}3+2n\pi$

where $n$ is any integer. Then

$\sin\left(\dfrac\pi6-v\right)\implies v=-\dfrac\pi6-2n\pi,v=-\dfrac\pi2-2n\pi$

Fix $n=0$ to ensure $-\pi$ , so that

$v=-\dfrac\pi6,v=-\dfrac\pi2$

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4 years ago

5/8=n-2/10 9/x=10/x-7 p+9/p=3/10

lesya692 [45]

Download photo math for equations like this, it will also give you it step by step :)

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3 years ago

PLZ HELP ME I NEED THIS FAST WILL GIVE BRAINLIEST

Bas_tet [7]

Step-by-step explanation:

The formula the amusement parc use is 100y-39000=55(x-800)

The slope intercept form of a function is wriiten generally as:

y = mx+c

m is a slope
c is a constant and represents the y-intercept
x is a variable
y is the input of the function

Let's rewrite our equation in the precedent form

100y-39000 = 55(x-800)
100y -39000 = 55x-44000 add 39000 in both sides
100y-39000+39000 = 55x-44000+39000
100y = 55x-5000 divide both sides by 100
y = 0.55x-50

The slope intercept form of this equation is:

y= 0.55x-50

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4 years ago

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