3 years ago

What is the difference?

1 answer:

5 0

The answer is D because denominators on a subtraction problem with fractions stay the same and (x+2)(x+1) is the simplified way of x squared +3x+2

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The solution set of which of the following equations is

Airida [17]

$F.\ |x+3|=5\\\\because:\\\\|x+3|=5\iff x+3=5\ \vee\ x+3=-5\\\\x=5-3\ \vee\ x=-5-3\\\\x=2\ \vee\ x=-8\\\\|-3-2|=|-5|=5\\|-3-(-8)|=|-3+8|=|5|=5$

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3 years ago

8, 12, 16,...<br> Find the 31st term.

Ainat [17]

<em>Hope I helped. :)</em>

<em />

<em>- Valenteer</em>

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3 years ago

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frutty [35]

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3 years ago

Find the fourth roots of 256(cos 240° + i sin 240°).

Mashcka [7]

Answer with Step-by-step explanation:

We are given that

We have to find the fourth roots of given complex number.

$(256)^{\frac{1}{4}}=(4^4)^{\frac{1}{4}}=4^^{\frac{1}{4}\times 4}=4$

By using the formula

$(a^b)^x=a^{bx}$

$\theta=240^{\circ}$

$\theta=\frac{240}{4}=60^{\circ}$

Angle of rotation= $\frac{360}{4}=90^{\circ}$

Therefore, the four roots of given complex number are

$4(cos 60^{\circ}+i sin60^{\circ})$

$4(cos150^{\circ}+i sin150^{\circ})$

$4(cos240^{\circ}+isin 240^{\circ})$

$4(cos330^{\circ}+i sin330^{\circ})$

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3 years ago

PLEASE HELP ME , GET ON HONOR ROLL PLEASE NEED YOUR HELP

marta [7]

Answer:

19 ft i think

Step-by-step explanation:

hop ethis helps :) have a nice day

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3 years ago