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Taya2010 [7]
4 years ago
9

Explain in detail with at least two sentences how to represent the product of A and B geometrically given that A=15 + 56i and B

= 7 + 4i. Give the coordinate of A • B in polar form.
Mathematics
1 answer:
Gnoma [55]4 years ago
7 0

Answer:

Basically each part of the first complex number gets multiplied by each part of the second complex number. You are multiplying 2 binomials.

(15 + 56i(7 + 4i)

= 105 + 60i + 392i + 224i^2

= 105 + 452i - 224 ( because i^2 = -1)

= - 119 + 452i

Step-by-step explanation:

let me know if this helps!

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A landscaping company placed two orders with a nursery. The first order was for 13 bushes and 4 trees, and totaled $327.50. The
Genrish500 [490]

The system of equations that Sam can use is given by:

A 13b + 4t =327.50, 6b + 2t = 142.96

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are:

  • Variable b: Cost of a bush.
  • Variable t: Cost of a tree.

The first order was for 13 bushes and 4 trees, and totaled $327.50, hence:

13b + 4t = 327.50.

The second order was for 6 bushes and 2 trees, and totaled $142.96, hence:

6b + 2t = 142.96.

Which means that option A is correct.

More can be learned about a system of equations at brainly.com/question/24342899

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Read 2 more answers
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