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kondaur [170]
3 years ago
7

PLEASE HELP!! multiplying complex numbers standard form (3-2i)(4+i)

Mathematics
1 answer:
notsponge [240]3 years ago
3 0

Answer:

14-5i

Step-by-step explanation:

Use the box method. sorry for the bad handwriting

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The vertices of a triangle are A (2,5) B (1,2) and C (3,1) . Find the coordinates of the image after a dilation with respect to
telo118 [61]

K=2

  • A'=2(2.5)=(4,10)
  • B'=2(1,2)=(2,4)
  • C'=2(3,1)=(6,2)

Translation of 2 units left means change in x

  • A''=(4-2,10)=(2,10)
  • B"=(2-2,4)=(0,4)
  • C"=(6-2,2)=(4,2)

Translation of 1 units up means change in y

  • A'''=(2,10+1)=(2,11)
  • B'''=(0,4+1)=(0,5)
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5 0
2 years ago
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Calculate the Social Security and Medicare tax that would be applied to an annual salary of $35,400,
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Answer:

the answer is A)Social Security tax: $2,194.80, Medicare tax: $513.30

Step-by-step explanation:

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3 years ago
Your model car is 7 inches long. it is an exact model of a car that is 10.5 feet long. a window on the car is how many times wid
Sergio [31]
You can't know, because you don't know how big it is on the model
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4 years ago
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14.88 + x = 17.05 What is the value of x?
Masteriza [31]

Answer:

x=2.17

Step-by-step explanation:

14.88+x=17.05

We move all terms to the left:

14.88+x-(17.05)=0

We add all the numbers together, and all the variables

x-2.17=0

We move all terms containing x to the left, all other terms to the right

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The probability that a train leaves on time is 0.4. The probability that the train arrives on time and leaves on time is 0.28. W
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You need to use the conditional probability formula:
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Key:
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If we say A is the event that the train arrives on time and B is the event that the train leaves on time, then according to the information:
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Just insert into the formula:
P(A|B) = 0.28 / 0.4 = 0.7
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8 0
4 years ago
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