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VLD [36.1K]
4 years ago
14

(2+7i)+(-7+8i)imaginary numbers simplify

Mathematics
1 answer:
Ann [662]4 years ago
8 0
<span>(2+7i)+(-7+8i)
=</span><span>2+7i -7+8i
= -5 + 15i</span>
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Please find the domain and range!
SpyIntel [72]

Answer:

Domain: {-2, -3, 6, 8, 10}

Range: {-5, 1, 7, 9}

Step-by-step explanation:

Given:

{(6, -5), (-2, 9), (-3, 1), (10, 7), (8, 9)}

✔️Domain:

This includes all the set of the x-values that are in the relation. This includes, 6, -2, -3, 10, and 8.

Thus, the domain can be represented as:

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Range can be represented as:

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3 years ago
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3 years ago
Find the Area, I'm pretty sure you suppose to add them all up but my teacher is saying it's wrong
Alexxx [7]
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Evaluate the expression 3.14(a^2 + ab) when a = 3 and b = 4
otez555 [7]

Answer:

ASK YOUR QUESTION

Middle School  Mathematics  5+3 pts

Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)

Report 13.07.2017

Answer

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then

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= 3.14(9+12)

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15

Step-by-step explanation:

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Read 2 more answers
What is one more than -49
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