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4 years ago

Find x. FOR 25 POINTS.

Mathematics

1 answer:

Vitek1552 [10]4 years ago

7 0

Answer:

4.75

Step-by-step explanation:

6+x+2•x =25

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Can someone help me! it would mean the world! and tysm! <3

Andreyy89

Answer:

90m

Step-by-step explanation:

AB = 18m

BC = AB + 9 = 18 + 9 = 27m

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= 2( 18 + 27)

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3 years ago

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2 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

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

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

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

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

8 0

3 years ago

How do you make an array of 5/6 x 3/4 ?

oee [108]

Well 5/6 x 3/4 is 15/24 so you’d do 24 dots across in 15 rows

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3 years ago

Rewrite 2x2x2 using an exponent.

Nastasia [14]

Answer:

2³

Step-by-step explanation:

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3 years ago