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Lorico [155]
3 years ago
8

Express 45000 in scientific notation

Mathematics
1 answer:
Ne4ueva [31]3 years ago
7 0
4.5 x 10 to the power of 4
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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
3 years ago
Find the area of a circle with a radius of 3
ExtremeBDS [4]

Answer: 28.27

Step-by-step explanation: first multiply the radius by itself 3 times 3 = 9

then take 9 and multiply it by 3.14 which is 28.27

hope this helps mark me brainliest

7 0
3 years ago
Read 2 more answers
Which function has a graph with a horizontal asymptote at y = 3, a vertical asymptote at x = 1, and an x-intercept at 2?
pickupchik [31]

B. f(x) = 2(4)x–3 (e2020)

7 0
3 years ago
Read 2 more answers
The first term of sequence is 13
Georgia [21]
-2 because 1st term is 13, take away 5 2nd term is 8 take away 5 3rd term is 3 and take away 5 again 4th term is -2
7 0
2 years ago
I WILL GIVE BRAINLYEST TO RIGHT ANSWER<br> -4w - 4 =8<br> what is X equal to
Alecsey [184]

Answer:

w = -3

Step-by-step explanation:

-4w - 4 = 8

Combine the constants by adding 4 to both sides.

-4w = 12

Isolate w by dividing by -4.

w = -3

Check your work by plugging w = -3 into the original equation.

-4(-3) - 4 = 8

12 - 4 = 8

8 = 8

Your answer is correct.

8 0
3 years ago
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