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IRISSAK [1]
3 years ago
15

(05.01)

Mathematics
2 answers:
Irina18 [472]3 years ago
6 0
I hope this helps you

Anna71 [15]3 years ago
4 0
Simplify completely quantity 3 x squared plus 21 x minus 54 all over x squared plus 3 x minus 54. 

quantity 3 x squared plus 21 x
(3x^2 + 21x - 54)

x squared plus 3 x minus 54. 
(x^2 + 3x -54)

(3x^2 + 21x - 54)/(x^2 + 3x -54)

(3(x+9)(x-2)) / ((x+9)(x-6)

3(x-2) / (x-6)


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Confused, and there's a test tomorrow.
-BARSIC- [3]

Answer:

  12y +16yi

Step-by-step explanation:

The thing about complex numbers is that you can treat them as binomials and use all of the things you know about multiplying and factoring polynomials.

Here, we assume you have ...

  (5 +2yi)(4 -3i) -(5 -2yi)(4 -3i)

The factor (4 -3i) can be factored out, so you have ...

  = ((5 +2yi) -(5 -2yi))(4 -3i)

  = (4yi)(4 -3i)

  = 16yi -12yi²

At this point, the definition of i comes into play, and you replace i² with -1.

  = 12y +16yi

5 0
2 years ago
The slope of the line below is -3. Is the coordinates of the labeled point to find a point - slope equation of the line
puteri [66]
Point slope form = y - b= m ( x - a )

where y and x stay the same

m is the slope

and (a, b) (any coordinate on the graph)

based on the point (5, -7)

Y - (-7) = -3 (x - 5)

however, the - cancels out the negative 7 making I positive

Y + 7 = -3(x - 5)












3 0
3 years ago
The value of y varies directly with x. When y = 0.3, x = 1 . What is the value of y when x is 35? 5 A 52.5 B 1.5 C 10 D 15
IceJOKER [234]

Answer:

92

Step-by-step explanation:

4 0
2 years ago
15 percent of what number is 12
blagie [28]
12÷15<u /><em />=160
you have to divide 12 by 15 percent to get the missing number  
5 0
2 years ago
Read 2 more answers
What is square root of 64?
3241004551 [841]

Answer:

8

Step-by-step explanation:

8*8=64

5 0
3 years ago
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