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telo118 [61]
3 years ago
10

Simplify the expression to a+bi form: (10+10i)+(-7+3i)

Mathematics
1 answer:
Greeley [361]3 years ago
3 0

Answer:

3+13i

Step-by-step explanation:

(10+10i)+(-7+3i)

Combine the real parts

10+-7 = 3

And the imaginary parts

10i +3i = 13i

Combine them to make the complex number

3+13i

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Rewrite the expression in the form 6^n 6^-6/6^-5
oee [108]

Answer:

6^-1

Step-by-step explanation:

6^-6 - (-5) = 6^(-6 + 5) = 6^(-1)

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You could give the answer as 1/6 but that is not what the question says.

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Which equation represents a proportional relationship?
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Write the sum using summation notation, assuming the suggested pattern continues. 5 - 15 + 45 - 135 + ...
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Answer:

<em>summation of five times negative three to the power of n from n equals zero to infinity</em>

Step-by-step explanation:

<u>Summation Notation </u>

It represents the sum of a finite or infinite number of terms. Let's analyze the terms of the given succession:

5-15+45-135+...

If we take 5 as a common factor, we have

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The parentheses contain the alternate sum/subtraction of powers of 3. The odd terms are positive, the even terms are negative, thus the exponent must be n starting from 0 or n-1 starting from 1

The summation is then represented by

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