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uranmaximum [27]
2 years ago
8

Find two complex numbers that have a sum of i10 a different of -4and a product of -29​

Mathematics
1 answer:
lianna [129]2 years ago
8 0
<h2>-2+5i and 2+5i</h2>

Step-by-step explanation:

   Let the complex numbers be a+ib\textrm{ and }c+id.

Given, sum is 10i, difference is -4 and product is -29.

(a+c)+i(b+d)=10i ⇒ a+c=0,b+d=10

(a-c)+i(b-d)=-4 ⇒ a-c=-4,b-d=0

a=-2,c=2,b=5,d=5

(a+ib)(c+id)=(-2+5i)(2+5i)=-4-25=-29

Hence, all three equations are consistent yielding the complex numbers -2+5i\textrm{ and }2+5i.

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Answer:

248

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100 + 140 +8

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3 years ago
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Answer:

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Step-by-step explanation:

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Sixty percent of the customers who go to Sears Auto Center for tires buy four tires and 22% buy two tires. Moreover, 14% buy few
Bezzdna [24]

Answer:

There is a 4% probability that a customer buys three tires.

Step-by-step explanation:

We have those following percentages

60% buy four tires. This is also the probability that someone buys four tires.

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8 0
2 years ago
Mr. Pennington had a board 2 1/4 feet long. He
Alisiya [41]
Me. Pennington had 6 inches left over.

Explanation.
2 1/4 feet is equal to 27 inches. If he used 21 inches, then he'd had 6 inches left over; 27-21=6.

Have a good day!
7 0
2 years ago
Will you guys help me please
marusya05 [52]
How you do this is you go from left to right with each one, and figure out which number is greater. For this particular problem the answer will be,

1.2   1.23   2.31  3.2
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