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SVEN [57.7K]
2 years ago
13

Btw there is 2 more options. number 3 is, (step3) and number 4 is, Raul did not make a mistake.

Mathematics
2 answers:
lawyer [7]2 years ago
8 0

Answer:

B.He did not add the corresponding parts of the complex numbers.

Step-by-step explanation:

A mid point is a point that is of equal distance to two reference points.

Given: Find the midpoint of 5+(-3)i and 12+7i.

These expressions have two parts: the value and complex number parts.

Thus the addition ought to have been;

(5+(-3i)) + (12+7i) = (5 - 3i) + (12 + 7i)

                           = (5 + 12) + (-3i + 7i)

                           = 17 + 4i

The midpoint can be determined as:

                       

Thus it can be observed that Raul did not add the corresponding parts of the complex numbers..

alekssr [168]2 years ago
6 0
B step 2 is where raul made his mistake
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3 years ago
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Step-by-step explanation:

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3 years ago
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John has decided to prepare an old field for his son's new horse. the length of the field is 10 meters less than 4 times its wid
tatuchka [14]

Answer: The total money invested in the field will be $1,623.80

Step-by-step explanation:

step 1

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Let

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y -----> the width of the field

p=2(x+y)

p(4.80)=1,584

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we know that

The perimeter of the field is equal to

so

330=2(x+y)----> equation A

x=4y-10 ------> equation B

substitute equation B in equation A and solve for y

330=2(4y-10+y)

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step 5

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2 years ago
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