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olga_2 [115]
3 years ago
14

I'm so stressed Please help I will try to give you BRAINLIEST if you get it right I promise please help​

Mathematics
1 answer:
kicyunya [14]3 years ago
5 0
A: (10,-3) Quadrant IV (4)
B: (8,9) Quadrant I (1)
C: (-3,-2) Quadrant III (3)
D: (4,0) On the x-axis
E: (-7,-4) Quadrant III (3)
F: (8,7) Quadrant I (1)
G: (0,-7) On the y-axis
H: (1,5) Quadrant I (1)
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Multiple choice: 
Paha777 [63]
In the given you wrote -2, whereas it should be -2i

z = a + bi and in trigo form | z |.(cos Ф + i.sin Ф).
z = 0 -2i → | z |.(cos Ф + i.sin Ф)
Now let's calculate z:
 
z² = a²+b² → z² = 0² (-2.i)² → z = -2(i)² →z= -2(-1) → z = |2|
tan Ф = b/a = -2/0 → tan Ф → - ∞ ↔ Ф = -90° or Ф = 270°
 then the - 2 I ↔ |2|(cos 270° + i.sin 270°)

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A 10 foot ladder is leaning against a house, but it is sliding down the house at 2 ft/sec at the moment when the ladder's base i
sergij07 [2.7K]
Use trigonetry to find the answer
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A movie theater owner made this box plot to represent attendance at the matinee movie last month.
tatuchka [14]

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3 years ago
Cody has $700 in a savings account that pays 4% simple interest. How much will he have in 1 year?
ladessa [460]

Answer:

$ 728

Step-by-step explanation:

Amount of Money Cody has = $700

Simple Interest = 4%

As it is know that interest is always given on annually basis so

Amount of profit he have in one year = Money he have right now * interest

                                                              =700 * 4%

                                                              =700 * \frac{4}{100}

                                                               = $ 28

After one year he will have = total money at that time + Profit

                                              = 700 + 28

                                              = $ 728

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3 years ago
What are the partial products for 43 x 17
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The partial products would be 10 multiply 40, 10 multiply 3, 7 multiply 40, and 7 multiply 3.
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