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laila [671]
3 years ago
6

Find the product of these complex numbers (8+5i)((-7+9i)

Mathematics
2 answers:
olchik [2.2K]3 years ago
7 0
Multiplying both of them equals <span>−101</span>+<span>37<span>i</span></span>
hram777 [196]3 years ago
7 0
(8+5i)(-7+9i) =-56+72i-35i-45=-101+37i
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Determine the equations of the straight lines
Ostrovityanka [42]

Answer:

1). 6x - 14    2). y = 1x + 1       3). y = -4x + 22     4).y = -7/2x + 51/2

Step-by-step explanation:

1). y2 - y1 / x2 - x1      4 - (-2) / 3-2         = 6

y = 6x + b           4 = 6(3) + b      4 = 18 + b        -14 = b

y = 6x - 14

2). 2 - (-2) / 1 - (-3)      = 1

y = 1x + b        2 = 1(1) + b     2 = 1 + b    1 = b

y = 1x + 1

3).  2 - 6 / 5 - 4      = -4

y = -4x + b      6 = -4(4) + b      6 = -16 + b       22 = b

y = -4x + 22

4). 1 - 8 / 7 - 5      = -7/2

y = -7/2x + 51/2

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Please help me I need this I need a good grade or my mom spank me.
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Step-by-step explanation:

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3 years ago
What is the similarity?
NNADVOKAT [17]

Answer:

The similarity ratio is 2 to 1

Step-by-step explanation:

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Step-by-step explanation:

cranberries, oranges and lemon extracts makes =96 fluid Ounces of mock-tail

i.e cranberries+oranges+lemon extracts=96 fluid Ounces of mock-tail....... (1)

  • let fluid ounces of orange=x
  • then fluid ounces of cranberry=3x; \\ because it is three times of orange
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putting these values in (1), we get

3x+x+24=96

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fluid Ounces of orange juice was used in all=18

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