3 years ago

4.125 A rational ir irrational

2 answers:

6 0

Irrational is the answer

5 0

Most likely rational since it ends. Not sure hope it helps

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kifflom [539]

1.D
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3.B
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fenix001 [56]

-3x4.5=13.5. 4.5x0.5=2.25

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Elenna [48]

Answer:

that is the solution to the question

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vredina [299]

Answer:

y=(7)^x represents the exponential growth

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2 years ago

inna [77]

Solution:

Given: zj = 3- j2, zz = - 4 + j3

Part a:

zj = 3- j2 = $3.6e^{-j33.7^{\circ}}$

zz = - 4 + j3 = $5e^{j143.1^{\circ}}$

Part b:

|zj| = |3− j2| = √3² +(−2)² = √13 = 3.60

|z1| = √(3− j2)(3+ j2) = √ 13 = 3.60.

Part c:

With the help of part a:

z1z2 = $3.6e^{-j33.7^{\circ}}.5e^{j143.1^{\circ}}$

6 0

3 years ago