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Oksana_A [137]
3 years ago
6

Solve for x

Mathematics
2 answers:
MrRissso [65]3 years ago
7 0
D is the correct answer
HACTEHA [7]3 years ago
4 0
B is the correct answer
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Write the complex number 1 +i/1 -i into polar form​
IRINA_888 [86]

Answer:

cos(pi/2) + i sin (pi/2)

Step-by-step explanation:

(1+i)/ (1-i)

Multiply top and bottom by (1+i)

(1+i) (1+i)/ (1-i)(1+i)

Foil the top (1+i)(1+i) = 1 +2i +i^2 = 1 +2i -1 = 2i

Foil the bottom ( 1+i)(1-i) = 1 - i^2 = 1 - (-1) =2

2i/2 = i

the magnitude is (0^2+1^2) = 1

The angle is tan^-1( 1/0) = pi/2

cos(pi/2) + i sin (pi/2)

7 0
2 years ago
Mia is making a necklace using two types of beads. Buying 5 blue beads and 3 silver beads will cost $6.50. Buying 2 blue beads a
LekaFEV [45]

Answer:

Blue Bread cost a 1$ Silver Bread cost .50c

Blue dollar Siver 50 cent

8 0
3 years ago
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kirill115 [55]

Answer:

5,8,11

10th term = 32



4 0
3 years ago
Read 2 more answers
A cookie factory uses 1/10 of a bag of flour in each batch of cookies the factory used 1/2 of a bag of flour yesterday how many
oee [108]
The answer  i got is 1/100

6 0
3 years ago
Read 2 more answers
(NEED HELP ASAP)
Mumz [18]
*The missing image is attached with the answer*

The correct answer is: Height = h =5 units

Explanation:
a = 6 = Smaller base
b = 10 = Larger base
h = height

Area = A = (a + b)h/2 = 40

Plug in the values in the above equation:
h = (2*40)/(6+10)
h = 5 units

4 0
3 years ago
Read 2 more answers
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