1 year ago

Which of the following is a fifth root of the given complex number?

Mathematics

1 answer:

pshichka [43]1 year ago

4 0

Answer: D

This result is true by De Moivre's theorem.

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Given that A, O & B lie on a straight line segment, evaluate obtuse ∠AOC.

Evgesh-ka [11]

Answer:

AOC = 124°

Step-by-step explanation:

Angle on a straight line is 180°, therefore, the sum of the three angles shown is 180;

This can be written like so:

(3x + 94) + (x + 30) + (2x - 4) = 180

This equation can be solved to find x:

6x + 120 = 180

6x = 180 - 120

6x = 60

x = 10

AOC = 3(10) + 94

= 30 + 94

= 124

7 0

1 year ago

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4) Solve the following system of equations by graphing. If the system is inconsistent or the

juin [17]

The equations are dependent (they're the same equation).

If you multiply the bottom one by 5, you get the top one.

7 0

2 years ago

Read 2 more answers

∠1 and ∠2 are complementary angles.

Sedbober [7]

38 degrees
x+52=90
90-52=36
Therefore, angle 2 equals 36 degrees

5 0

3 years ago

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9-c=-13.help......algebra

Ksivusya [100]

9 - c = -13
-c = -13 - 9
-c = - 22
c = 22 <===

3 0

2 years ago

Shaikha sold 10 packages of sugar cookies and 2 packages of oatmeal cookies for $56. Khalid sold 9 packages of sugar cookies and

ale4655 [162]

Answer:

The system that can be used is:

$10x + 2y = 56$

$9x + 3y = 60$

Step-by-step explanation:

We have that:

x is the price of a package of sugar cookies, y is the price of a package of oatmeal cookies.

Shaikha sold 10 packages of sugar cookies and 2 packages of oatmeal cookies for $56.

This means that:

$10x + 2y = 56$

Khalid sold 9 packages of sugar cookies and 3 packages of oatmeal cookies for $60.

This means that $9x + 3y = 60$

System that can be used:

The system that can be used is:

$10x + 2y = 56$

$9x + 3y = 60$

4 0

2 years ago