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nordsb [41]
3 years ago
13

Find the square root of (2-36i)/(2+3i)​

Mathematics
2 answers:
Rom4ik [11]3 years ago
8 0

Answer:

-8-6i

Step-by-step explanation:

\frac{2-36i}{2+3i} * \frac{2-3 i}{2-3i}

-104-78i /13

-8-6i

Anarel [89]3 years ago
4 0

Answer:

26

Step-by-step explanation:

4-108i

-108i=4

I=180/4

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3 years ago
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Answer:

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4 0
3 years ago
A square and an equilateral triangle have equal perimeters. the area of the triangle is 
Ivenika [448]

a - length of side of a square

t - length of side of a triangle

The perimeter of a square: P_S=4a

The perimeter of a triangle: P_T=3t

We have the area of a triangle: A_T=16\sqrt3\ cm^2

The formula of an area of an equilateral trinagle: A_T=\dfrac{t^2\sqrt3}{4}

Substitute:

\dfrac{t^2\sqrt3}{4}=16\sqrt3    <em>multiply both sides by 4</em>

t^2\sqrt3=64\sqrt3     <em>divide both sides by \sqrt3</em>

t^2=64\to t=\sqrt{64}\to t=8\ cm

The perimeter of a triangle: P_T=3(8)=24\ cm

Substitute to the formula of a perimeter of a square:

4a=24       <em>divide both sides by 4</em>

a=6\ cm

The formula of a diagonal of a square: d=a\sqrt2

Substitute:

d=6\sqrt2\ cm

3 0
3 years ago
Solve the inequality. -x ≤ 5​
yanalaym [24]
The answer is x ≥ −5
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Use elimination to solve the system of equations.<br><br> 3x – 5y = –9<br> x + 2y = 8
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Answer:

x=2

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Step-by-step explanation:

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