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kakasveta [241]
3 years ago
10

Which polynomial equations have -i as one of their roots?

Mathematics
1 answer:
pochemuha3 years ago
8 0
I = sqrt(-1)
i^2 = -1
(-i)^2 = (-i)(-i) = i^2 = -1
(-i)^3 = (-i)(-i)(-i) = (-i)(i^2) = i

use these facts to find which equation is correct if x = -i

i bet on 2,3 or 4
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sergiy2304 [10]

That would be 8.26 meters.

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Mason currently pas $420 per month in rent. the contract on his apartment sates that his rent will increase by 6% next year.
mel-nik [20]

Answer:

a. $25.20

b. $445.20

Step-by-step explanation:

$420*(6%/100%) = $25.20

$420+$25.20 = $445.20

8 0
3 years ago
Read 2 more answers
!NEED HELP URGENTLY!<br> p − 10p + -5p + 14p − -9p − 2 = -20
bekas [8.4K]

Answer:

p = -2

Step-by-step explanation:

p − 10p + -5p + 14p − -9p − 2 = -20

-9p + 9p + 9p = -20 + 2

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p = -2

7 0
3 years ago
Use your knowledge about parentheses and substitution to solve the following:
meriva

Answer:

16. r(s)(t) =

r=2, s=3, t=4

(2)(3)(4)=

             (2*3) = 6  ---> 6(4) = 24

final: 24

17. (r)(s)(t)(x)(y) =

r = 2, s = 3, t = 4, x = 5, y = 6

(2)(3)(4)(5)(6)

2*3=6

      6*4=24

            24*5= 120

                     120*6=720

final: 720

18. (7x + 2Y) =

x = 5, y = 6

rewrite--->        = [7(5) + 2(6)]

[35 + 12] = 47

final: 47

hope this helpsss sorry took a while LOL

Step-by-step explanation:

q = 1; r = 2; s = 3; t = 4; x = 5; y = 6

5 0
2 years ago
Read 2 more answers
Again, first answer is indeed, factual but please help.
ollegr [7]

Answer:

Part B: 4 is the constant

Part C: y = 4x

Step-by-step explanation:

y = kx

k = constant

y = 4x

4 is the constant

7 0
3 years ago
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