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3 years ago

Which phrase describes how to divide a complex number z by r(cos θ + i sin θ)?

Mathematics

2 answers:

Andreas93 [3]3 years ago

4 0

Answer:

Step-by-step explanation:

Edge

shtirl [24]3 years ago

3 0

Answer:

its a

Step-by-step explanation:

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What is the distance between (3, 5.25) and (3, –8.75)? 6 units 8.25 units 11.75 units 14 units

evablogger [386]

By using distance formula :

$\text{Distance formula,} \bold{ \boxed{ Distance = \sqrt{( x_{2} -x_{1})^{2}+(y_{2} - y_{1})^{2}) }}}$

Given points = ( 3 , 5.25 ) and ( 3 , - 8.75 )

$\bold{Taking \: \: \: x_{1}=3 \: \: , \: \: x_{2}= 3 \: \: , \: \: y_{1}= 5.25 \: \: , \: \: y_{2}= -8.75}$

On applying formula, we get

$Distance = \sqrt{ ( x_{2}-x_{1})^{2}+(y_{2}-y_{1})^2} \\ \\ \\ Distance = \sqrt{ ( 3 - 3 )^{2} + ( - 8.75 - 5.25 )^{2}} \\ \\ \\ Distance = \sqrt{ ( 0 )^{2} + ( - 14)^{2}} \\ \\ \\ Distance = \sqrt{ ( - 14 )^{2}} \\ \\ \\ Distance = \sqrt{ 14^{2}} \:\:\:\:\:\:\:\:\:\:\: \: \: \: \: \: \: \: \: | \bold{ ( - 14 )^{2} = 14^{2}} \\ \\ \\ Distance = {14}^{2 \times \frac{1}{2} } \\ \\ \\ Distance = {14}^{1} \\ \\ \\ Distance = 14 \: units$

Hence, Option D is correct.

4 0

3 years ago

Read 2 more answers

19 times 8 in expanded form

andrew-mc [135]

10+9 x 8 = 100+50+2 (152)

3 0

3 years ago

4/7 divided by 2 2/3

givi [52]

The answer is 4/21 or 0.190476

7 0

3 years ago

Read 2 more answers

Cans some one help this stinks so bad.

Darya [45]

Answer:

5,652,000

Step-by-step explanation:

1. Simplify 1/3 * 3.14

you'll end up with 3.14/3

2. Divide 3.14 by 3

this will give you 1.046

3. Raise 150 to the power of 2.

you now have 22,500

your equation is now: 1.046 * 22,500 * 240

4. Multiply 1.046 by 22,500

your equation is now 23,500 * 240

5. Multiply 23,500 by 240

your answer is 5,652,000

4 0

4 years ago

Help please, easy math i just need to double check!

Romashka [77]

Answer:

24 in^2

Step-by-step explanation:

(1/2)bh

(1/2)(6)(8)

3 0

3 years ago